Where are Brondell filters made?

Brondell Inc. water-filtration products are designed and engineered out of the brand's San Francisco corporate footprint (PO Box 470085, San Francisco, CA 94147-0085 per the brand-official site-wide footer). The brand's About Us page documents 'over 2 decades in the industry' and emphasizes the San Francisco identity (community-giving partnerships with the Alameda County Community Food Bank and the Yerba Buena California Native Plant Society at McLaren Park Native Plant Garden in San Francisco's Visitacion Valley), but does NOT separately disclose component-level country-of-origin at the SKU level — the RO membranes (typically sourced from major membrane manufacturers in the broader consumer-RO supply chain), pre-filter sediment cartridges, pre-carbon and post-carbon filter cartridges, plastic housings, integrated 1.6-gallon flexible reservoir on the Circle, and the Smart Valve assembly do not have published country-of-origin manifests on the brand-official product pages. This is consistent with the broader consumer water-filtration industry where most US-headquartered consumer brands source manufacturing from overseas OEM partners while retaining US design / engineering / brand operations — Brondell's US corporate operations footprint is comparable to other US-headquartered consumer water-filtration brands (Aquasana at Haltom City TX, Pelican at Sherwood Hall NC, AquaTru at Sherman Oaks CA) on the corporate-presence dimension, but the lack of published assembly-location disclosure (vs APEC's explicit 'Designed, Engineered & Assembled in USA' framing) means buyers cannot independently verify whether final assembly occurs in the US or at an overseas OEM facility.

Is Brondell good for PFAS removal?

It depends on which Brondell water-filtration SKU you select. The Brondell Capella under-sink RO ($215.99 sale / $269.99 MSRP), the Coral UC300 under-sink 3-stage carbon ($143.99 sale / $179.99 MSRP), and the Cypress countertop 3-stage ($194.99) ALL carry WQA Gold Seal certification under NSF/ANSI 401 (Emerging Compounds) — the certification standard where PFAS reduction lives at the third-party LISTED tier. The NSF/ANSI 401 scope covers PFOA, PFOS, and the Total PFAS suite alongside pharmaceutical compounds (Ibuprofen, Phenytoin, BPA, DEET, etc.). HOWEVER, the Brondell Circle RC100 under-sink RO ($359.99 sale / $449.99 MSRP) does NOT carry NSF/ANSI 401 certification — Circle's cert footprint is 42 + 53 + 58 + 372 only. This is a meaningful within-Brondell cert-vs-cert distinction: buyers prioritizing certified PFAS reduction at the under-sink RO form factor should select Capella over Circle, even though Circle is the more expensive and more extensively reviewed SKU. The Circle's PFAS reduction is mechanically supportable via the RO membrane (the ~0.0001-micron pore size mechanically retains PFAS molecules per RO physics) but is NOT third-party LISTED at the per-listing tier. Within the broader market: AquaTru Classic ($475, IAPMO NSF/ANSI 401 file W-10195) is the canonical countertop-RO alternative carrying NSF/ANSI 401 cert; most under-sink RO competitors at the $200-$400 price band (APEC ROES-50, iSpring RCC7AK) do NOT hold NSF/ANSI 401 listings. See filters certified for PFAS for the broader cert-listed PFAS-reduction landscape.

How long do Brondell filters last (and how often do you change them)?

Brondell's published filter-change schedule varies by SKU. For the Circle RC100 under-sink RO: the RF-20 filter set (sediment + pre-carbon + post-carbon, three filters combined) needs replacement every 6 months or 475 gallons (whichever comes first) — the LED indicator on the Brondell-supplied faucet flashes red when replacement is needed. The RF-40 RO membrane needs replacement every 24 months (2 years). Tool-free twist-and-seal filter changes take under 5 minutes per cartridge. Annual filter costs average ~$192/year on the Circle ($160 for the odd-year RF-20 only, $240 for the even-year RF-20 + RF-40 cycle). For the Capella under-sink RO: the sediment + carbon block + RO membrane cartridges have similar 6-month to 24-month replacement cycles per the Capella Sediment and Carbon Block Replacement product page. For the Coral UC300 under-sink 3-stage carbon: the Coral Three-Stage Replacement Pack covers annual replacement of all three carbon stages. For the Cypress countertop 3-stage: the Cypress replacement filter pack is annual. For the Pearl countertop carbon-block dispenser: the Pearl HF-25 replacement filter cartridge is 6-month replacement with a built-in replacement indicator. Real-world filter life depends on local feed-water hardness, sediment load, and daily volume — households on harder water typically replace pre-filters at the 6-month end of the range, while soft-water households can push closer to the brand-published schedule. The RO membranes (RF-40 on Circle, Capella's RO membrane) are the longest-life components and the most expensive single replacement (~$75-$82 every 2 years).

Is Brondell better than AquaTru or Aquasana?

It depends on which characteristics matter more. Brondell Circle RC100 ($359-$449) vs AquaTru Classic ($475) is an under-sink-vs-countertop RO format choice: Brondell's structural advantages are under-sink form factor (no countertop footprint), 500 GPD production with patented Smart Valve technology (2.1:1 wastewater ratio vs traditional 20-24:1), non-electric operation (continues during power outages), and the compact all-in-one design (60-70% smaller than traditional separate-tank under-sink RO). AquaTru's structural advantages are zero plumbing install (suitable for renters), broader cert-standards footprint (5 NSF/ANSI standards vs Circle's 4 — AquaTru includes NSF/ANSI 401 emerging-compounds cert that Circle lacks), and the IAPMO R&T cert-evidence tier that puts PFAS / pharmaceuticals at the third-party LISTED tier. Brondell Capella ($215-$269) vs Aquasana SmartFlow RO AQ-SFRO2 ($199-$299) is an under-sink-RO-vs-under-sink-RO comparison where both brands carry NSF/ANSI 401 emerging-compounds certification: Brondell Capella's structural advantages are broader cert-standards footprint (5 NSF/ANSI standards vs Aquasana's 3 — Aquasana SmartFlow lacks NSF/ANSI 58 RO cert and NSF/ANSI/CAN 372 lead-free cert at the per-listing tier despite being an RO system), more efficient wastewater ratio (1:1 vs ~1.5-2:1), and independent-brand operation vs Aquasana's A. O. Smith parent (NYSE: AOS, acquired Aquasana August 2016 for $87M). Aquasana's structural advantages are built-in post-RO remineralization (calcium / magnesium / potassium add-back addressing the 'pure stripped water' taste concern that buyers commonly raise about RO output) and the broader A. O. Smith / Aquasana wellness-brand portfolio for buyers wanting brand-coherence. See the full AquaTru comparison below for the spec-by-spec table.

Does Brondell Circle remove fluoride and lead?

Yes — the Brondell Circle RC100 carries WQA Gold Seal certification under NSF/ANSI 53 (Health Effects) covering Lead reduction and under NSF/ANSI 58 (Reverse Osmosis Systems) covering Fluoride reduction at the RO membrane stage. Published independent testing documents 95-98% lead reduction (150 ppb challenge → less than 5 ppb output) and 85-92% fluoride reduction (4.0 ppm input → 0.3-0.6 ppm output) on the Circle RC100. Both lead and fluoride are explicit per-listing claims on the WQA Gold Seal certification per the brand-official Circle product page, and align with the brand's '64 contaminants' marketing aggregate. The reverse-osmosis membrane mechanically retains lead and fluoride ions due to the membrane's selective permeability, and the WQA third-party performance certification validates the reduction at the per-listing scope. The Brondell Capella under-sink RO and Coral UC300 under-sink 3-stage carbon both also carry NSF/ANSI 53 lead certification (Coral additionally documented for chloramine reduction). Within the Brondell water-filtration lineup, the Pearl countertop carbon-block dispenser does NOT carry NSF/ANSI 53 lead certification — it is a simple activated-carbon dispenser targeting chlorine taste-and-odor reduction rather than lead. See filters certified for lead and filters certified for PFAS for the broader cert-listed contaminant-reduction landscape across consumer brands.

What is Brondell's Smart Valve technology?

The Brondell patented Smart Valve technology is the headline water-efficiency innovation on the Circle RC100 under-sink reverse-osmosis system. Traditional under-sink RO systems use rigid pressurized tanks that resist filling as pressure builds (80-95% full), forcing the RO membrane to work against back pressure and wasting 20-24 gallons of wastewater per 1 gallon of purified water produced. The Smart Valve eliminates this back pressure by using a flexible reservoir design instead of a rigid pressurized tank — the integrated 1.6-gallon flexible reservoir does not build up internal pressure as it fills, allowing the RO membrane to operate at optimal efficiency throughout the fill cycle. Independent testing has verified the Circle achieves a 2.1:1 wastewater-to-clean-water ratio (2.1 gallons of wastewater per 1 gallon of purified water produced) — 10x more efficient than traditional 20-24:1 systems and 30-50% more efficient than modern competitors (3-5:1 typical). This isn't marketing hype: the brand's patented technology delivers genuine efficiency gains, and the broader Brondell water-filtration product line extends this water-efficiency positioning to the Capella under-sink RO (1:1 ratio — 'up to 20x greater wastewater efficiency' per the brand-official Capella product page). For a household using 3 gallons/day of filtered water, Brondell's 2.1:1 ratio generates ~2,300 gallons/year of wastewater vs ~26,000 gallons/year for traditional 24:1 systems — saving ~23,700 gallons annually and ~$80-$240/year in water + sewer bills depending on local rates.

Brondell Water Filters

Brondell is a privately-held San Francisco wellness-hardware brand (bidets are its headline category) whose under-sink RO and carbon filters carry WQA Gold Seal certification — not NSF directory listings, the common point of confusion.

Best for

Households cross-shopping the Brondell bidet ecosystem who want a brand-coherent WQA-certified under-sink RO or 3-stage filter
Buyers prioritizing water efficiency — the Circle RC100's Smart Valve achieves a 2.1:1 wastewater ratio and 500 GPD without an outlet
Households on PFAS-impacted water wanting certified PFAS reduction — the Capella ($215-$269) carries WQA Gold Seal NSF/ANSI 401
Households wanting compact under-sink RO — the Circle RC100 is 60-70% smaller than traditional separate-tank systems
Buyers wanting non-electric, emergency-ready operation — the Circle RC100 runs on water pressure alone (40-120 PSI, no outlet)

Not recommended for

Buyers searching specifically for 'NSF International certified' — Brondell's listings are WQA Gold Seal, not on info.nsf.org
Buyers wanting certified PFAS reduction who pick the Circle — only the Capella carries NSF/ANSI 401; the Circle's is not 401-LISTED
Budget buyers wanting the lowest entry price into certified under-sink RO — the Circle ($359-$449) sits well above APEC ROES-50
Buyers wanting the longest warranty — Brondell offers a 1-year limited warranty, shorter than APEC's 2-5 years and iSpring's 1-2 years
Households needing pitchers, refrigerator, whole-house, faucet-mount, or gravity formats — Brondell does only countertop and under-sink

Mid tier — typically $200–$500

Certs:NSF/ANSI 42, 53, 58, 372, 401
4 SKUs
$69–$449
Parent:None — Brondell Inc.

Certification Reality: What's Actually Tested

This table shows the NSF/IAPMO/WQA-listed certifications for each Brondell SKU we tracked, alongside the contaminants the brand markets but which do not appear on the third-party listing. Green chips are third-party verified; amber chips are marketing claims without a corresponding listing. Every row links to the live certifier database so you can verify the listed claim set yourself.

SKU / Model	Standards held	What’s certified	Brand claims but NOT certified	NSF listing
Brondell Circle RC100 Brondell Circle RC100 (4-Stage Under-Sink Reverse Osmosis with Patented Smart Valve) — the brand's flagship water-filtration SKU and the most extensively reviewed Brondell water-filtration product	No active certifications	Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor claim per WQA Gold Seal listing) Lead (NSF/ANSI 53 Health Effects scope — 95-98% reduction per published independent testing) Mercury (NSF/ANSI 53) Chromium-VI (Hexavalent) and Chromium-III (Trivalent) (NSF/ANSI 53) Cysts (Cryptosporidium, Giardia, per NSF/ANSI 53) Volatile Organic Compounds (VOCs, per NSF/ANSI 53) Total Dissolved Solids (TDS, NSF/ANSI 58 RO anchor — 93-95% reduction per published independent TDS-meter testing) Fluoride (NSF/ANSI 58 RO membrane stage — 85-92% reduction per published NSF/ANSI 58 testing protocol) Arsenic-pentavalent (NSF/ANSI 58 — 92-96% reduction per published testing) Cadmium, Barium, Copper, Radium (NSF/ANSI 58 RO membrane scope) Atrazine, Benzene, Chlorobenzene, DCPB, Endrin, Methoxychlor, 2,4-D, Trihalomethanes (THMs) — NSF/ANSI 53 / 58 broader contaminant menu per the brand's '64 contaminants' framing Lead-free plumbing material compliance (NSF/ANSI/CAN 372 anchor)	PFAS / Forever Chemicals (PFOA / PFOS / Total PFAS suite) — Circle RC100 does NOT carry NSF/ANSI 401 Emerging Compounds certification (the certification standard where PFAS reduction lives at the third-party LISTED tier). The Circle's PFAS reduction is mechanically supportable via the RO membrane (the ~0.0001-micron membrane pore size mechanically retains PFAS molecules per RO physics), and the broader Brondell marketing copy treats PFAS as 'PFAS certified for PFOA and PFOS reduction', but the Circle SKU is NOT third-party LISTED under NSF/ANSI 401. Buyers prioritizing certified PFAS reduction at the under-sink RO form factor should select the Brondell Capella (which DOES carry NSF/ANSI 401) or cross-shop AquaTru Classic ($475, IAPMO NSF/ANSI 401 file W-10195) Pharmaceuticals as a general class — same C8 + C11 pattern as PFAS; the NSF/ANSI 401 scope covers a defined per-listing menu of 15 emerging contaminants including specific pharmaceuticals (Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim, etc.), but the Circle RC100 does NOT carry a 401 listing Microplastics — Capella's 'over 86 contaminants' scope explicitly includes microplastics under the NSF/ANSI 401 listing scope; Circle's '64 contaminants' framing does NOT include microplastics in the same per-listing way (the Circle RC100 is mechanically capable of microplastic retention via the RO membrane but not third-party LISTED at the per-contaminant scope) Bacteria / Viruses microbiological reduction — Circle does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Circle is not separately LISTED under the NSF/ANSI 55 standard Beneficial minerals (calcium, magnesium) — the brand-claimed contaminant scope on the Circle does NOT include remineralization; the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge ($50-$80 add-on) or select competing RO systems with built-in remineralization (iSpring RCC7AK at $250 includes alkaline remineralization) The Brondell Circle RC100 is the brand's flagship water-filtration SKU and one of the more cleanly cert-aligned under-sink RO systems in the consumer segment — but the cert footprint is meaningfully narrower than the Brondell Capella's NSF/ANSI 401-inclusive footprint. The Circle IS WQA Gold Seal third-party performance certified under FOUR NSF/ANSI standards (42 Aesthetic Effects, 53 Health Effects, 58 Reverse Osmosis Systems, 372 Lead-Free Compliance) — substantively equivalent to NSF International or IAPMO R&T listings under the same standards (WQA is ANSI-accredited and authorized to test products against the standard's performance thresholds and issue conformance listings). Consumers searching the public NSF DWTU directory at info.nsf.org return no Brondell matches because that directory only indexes listings the NSF International certifier itself issues. The honest framing: Brondell Circle RC100 IS NSF/ANSI 42 + 53 + 58 + 372 certified via WQA Gold Seal — the broader marketing framing of '64 contaminants' reduction is supported by the per-listing scope across the four standards. The centerpiece confusion pattern here is C8 (different certifier than NSF International) — Brondell's certifier is WQA, not NSF International. Secondary C11 (sister-SKU divergent cert profiles) within the Brondell RO range: Circle does NOT carry NSF/ANSI 401 emerging-compounds certification while Capella DOES, meaning PFAS / pharmaceutical reduction is third-party LISTED on Capella but mechanically-supportable-only on Circle. The independent third-party reviewer assessment (WaterFilterGuru, World Water Reserve, Water Tech Advice) treats Circle as 'Best Overall' for water-efficiency innovation (2.1:1 wastewater ratio vs traditional 20-24:1) and non-electric high-throughput operation (500 GPD without an electrical outlet), with the cert-claim alignment validated by independent TDS-meter testing documenting 93-95% TDS reduction matching the brand's claims.	View NSF listing
Brondell Capella Brondell Capella (3-Stage Under-Sink Reverse Osmosis with NSF/ANSI 401 Emerging-Compounds Cert) — premium under-sink RO with the broadest cert footprint in the Brondell water-filtration lineup	No active certifications	Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 per WQA Gold Seal) Lead, Mercury, Chromium-VI, Cysts, VOCs (NSF/ANSI 53 Health Effects) TDS, Fluoride, Arsenic-pentavalent, Cadmium, Barium, Copper, Radium, Selenium (NSF/ANSI 58 Reverse Osmosis Systems) PFAS / Forever Chemicals (PFOA, PFOS, Total PFAS suite — NSF/ANSI 401 Emerging Compounds per-listing scope) Pharmaceuticals — Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401 per-listing menu Microplastics (NSF/ANSI 401 scope — explicitly called out in the brand's 'over 86 contaminants' framing) Flame retardants (Capella 'over 86 contaminants' scope) Lead-free plumbing material compliance (NSF/ANSI/CAN 372)	Bacteria / Viruses microbiological reduction — Capella does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Capella is not separately LISTED under the NSF/ANSI 55 standard Beneficial minerals (calcium, magnesium) — the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge or select competing RO systems with built-in remineralization (iSpring RCC7AK includes alkaline remineralization) General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 + 401 menu — the standards cover a defined per-listing scope of specific pesticides and herbicides rather than a general class umbrella The Brondell Capella has the broadest cert footprint in the Brondell water-filtration lineup — WQA Gold Seal under FIVE NSF/ANSI standards (42 + 53 + 58 + 401 + 372) including the NSF/ANSI 401 emerging-compounds certification that the Circle RC100 does NOT carry. The structural distinction vs Circle: Capella is the within-Brondell answer to AquaTru Classic's IAPMO NSF/ANSI 401 cert footprint, at a materially lower price band ($215-$269 sale / MSRP vs AquaTru's $475) and at the under-sink RO form factor (vs AquaTru's countertop RO). The C8 (different certifier than NSF International) pattern fires at the same intensity as on Circle (WQA Gold Seal indexed at find.wqa.org rather than info.nsf.org NSF DWTU). The C11 (sister-SKU divergent cert profiles) pattern is what differentiates Capella from Circle within the Brondell range — buyers cross-shopping the two under-sink RO options should know that Capella's NSF/ANSI 401 cert puts PFAS / pharmaceutical reduction at the third-party LISTED tier while Circle's does not (Circle's PFAS reduction is mechanically supportable via the RO membrane but NOT 401-LISTED). The brand's '20x greater wastewater efficiency' framing on Capella is supported by the brand-claimed 1:1 wastewater-to-clean-water ratio (vs traditional 20-24:1).	View NSF listing
Brondell Coral UC300 Brondell Coral UC300 (Under-Sink 3-Stage Carbon Filtration with CSA B483.1) — the carbon-tier under-sink SKU between Pearl countertop and Capella / Circle RO	No active certifications	Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor per WQA Gold Seal) Lead (NSF/ANSI 53 Health Effects) Mercury, Chromium-VI, Cysts (NSF/ANSI 53) Volatile Organic Compounds (VOCs, per NSF/ANSI 53) PFAS / Forever Chemicals (PFOA, PFOS — per NSF/ANSI 401 Emerging Compounds scope) Pharmaceuticals — Ibuprofen, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401 BPA (Bisphenol-A) — per the brand's emerging-contaminants scope Microplastics (per NSF/ANSI 401 scope) Sediment and Turbidity (NSF/ANSI 42 particulate scope) Lead-free plumbing material compliance (NSF/ANSI/CAN 372) Drinking Water Treatment Systems Canadian Standard (CSA B483.1) — unique to Coral UC300 in the Brondell water-filtration lineup	TDS / Fluoride / Arsenic-pentavalent — Coral UC300 does NOT carry NSF/ANSI 58 RO certification (it is a carbon-block under-sink system, not a reverse-osmosis system). For TDS / fluoride / arsenic reduction at the under-sink form factor, buyers should select Capella or Circle RC100 within the Brondell range (both carry NSF/ANSI 58 RO cert) Bacteria / Viruses microbiological reduction — no UV stage in the architecture; not NSF/ANSI 55 LISTED General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 menu — the standard covers a defined per-listing scope of specific pesticides rather than a general class umbrella The Brondell Coral UC300 is the carbon-tier under-sink SKU between the Pearl countertop carbon dispenser ($69) and the Capella / Circle under-sink RO systems ($215-$449). The WQA Gold Seal cert footprint covers NSF/ANSI 42 + 53 + 401 + 372 + CSA B483.1 — notably the inclusion of NSF/ANSI 401 emerging-compounds certification (covering PFAS / pharmaceuticals at the per-listing tier) at the most cost-effective price point in the Brondell water-filtration lineup that carries 401 cert. The 'over 75 contaminants' brand-claimed scope is supported by the per-listing menu across the four NSF/ANSI standards plus the additional CSA B483.1 Canadian Drinking Water Treatment Systems standard (which is unique to Coral UC300 in the Brondell lineup). The structural distinction vs Capella / Circle: Coral does NOT carry NSF/ANSI 58 RO certification because it is a carbon-block under-sink system rather than a reverse-osmosis system — meaning TDS / fluoride / arsenic reduction is NOT at the third-party LISTED tier on Coral. Buyers prioritizing PFAS reduction at the lowest entry price within the Brondell range should select Coral UC300 (the only sub-$200 Brondell SKU carrying NSF/ANSI 401 cert); buyers prioritizing broader RO performance (TDS / fluoride / arsenic at the per-listing scope) should step up to Capella ($215-$269) or Circle ($359-$449). The C8 (different certifier than NSF International) pattern fires at the same intensity as on Circle and Capella (WQA Gold Seal indexed at find.wqa.org rather than info.nsf.org NSF DWTU).	View NSF listing

SKU / Model

Standards held

What’s certified

Brand claims but NOT certified

NSF listing

Brondell Circle RC100

Brondell Circle RC100 (4-Stage Under-Sink Reverse Osmosis with Patented Smart Valve) — the brand's flagship water-filtration SKU and the most extensively reviewed Brondell water-filtration product

No active certifications

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor claim per WQA Gold Seal listing)
Lead (NSF/ANSI 53 Health Effects scope — 95-98% reduction per published independent testing)
Mercury (NSF/ANSI 53)
Chromium-VI (Hexavalent) and Chromium-III (Trivalent) (NSF/ANSI 53)
Cysts (Cryptosporidium, Giardia, per NSF/ANSI 53)
Volatile Organic Compounds (VOCs, per NSF/ANSI 53)
Total Dissolved Solids (TDS, NSF/ANSI 58 RO anchor — 93-95% reduction per published independent TDS-meter testing)
Fluoride (NSF/ANSI 58 RO membrane stage — 85-92% reduction per published NSF/ANSI 58 testing protocol)
Arsenic-pentavalent (NSF/ANSI 58 — 92-96% reduction per published testing)
Cadmium, Barium, Copper, Radium (NSF/ANSI 58 RO membrane scope)
Atrazine, Benzene, Chlorobenzene, DCPB, Endrin, Methoxychlor, 2,4-D, Trihalomethanes (THMs) — NSF/ANSI 53 / 58 broader contaminant menu per the brand's '64 contaminants' framing
Lead-free plumbing material compliance (NSF/ANSI/CAN 372 anchor)

PFAS / Forever Chemicals (PFOA / PFOS / Total PFAS suite) — Circle RC100 does NOT carry NSF/ANSI 401 Emerging Compounds certification (the certification standard where PFAS reduction lives at the third-party LISTED tier). The Circle's PFAS reduction is mechanically supportable via the RO membrane (the ~0.0001-micron membrane pore size mechanically retains PFAS molecules per RO physics), and the broader Brondell marketing copy treats PFAS as 'PFAS certified for PFOA and PFOS reduction', but the Circle SKU is NOT third-party LISTED under NSF/ANSI 401. Buyers prioritizing certified PFAS reduction at the under-sink RO form factor should select the Brondell Capella (which DOES carry NSF/ANSI 401) or cross-shop AquaTru Classic ($475, IAPMO NSF/ANSI 401 file W-10195)
Pharmaceuticals as a general class — same C8 + C11 pattern as PFAS; the NSF/ANSI 401 scope covers a defined per-listing menu of 15 emerging contaminants including specific pharmaceuticals (Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim, etc.), but the Circle RC100 does NOT carry a 401 listing
Microplastics — Capella's 'over 86 contaminants' scope explicitly includes microplastics under the NSF/ANSI 401 listing scope; Circle's '64 contaminants' framing does NOT include microplastics in the same per-listing way (the Circle RC100 is mechanically capable of microplastic retention via the RO membrane but not third-party LISTED at the per-contaminant scope)
Bacteria / Viruses microbiological reduction — Circle does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Circle is not separately LISTED under the NSF/ANSI 55 standard
Beneficial minerals (calcium, magnesium) — the brand-claimed contaminant scope on the Circle does NOT include remineralization; the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge ($50-$80 add-on) or select competing RO systems with built-in remineralization (iSpring RCC7AK at $250 includes alkaline remineralization)

The Brondell Circle RC100 is the brand's flagship water-filtration SKU and one of the more cleanly cert-aligned under-sink RO systems in the consumer segment — but the cert footprint is meaningfully narrower than the Brondell Capella's NSF/ANSI 401-inclusive footprint. The Circle IS WQA Gold Seal third-party performance certified under FOUR NSF/ANSI standards (42 Aesthetic Effects, 53 Health Effects, 58 Reverse Osmosis Systems, 372 Lead-Free Compliance) — substantively equivalent to NSF International or IAPMO R&T listings under the same standards (WQA is ANSI-accredited and authorized to test products against the standard's performance thresholds and issue conformance listings). Consumers searching the public NSF DWTU directory at info.nsf.org return no Brondell matches because that directory only indexes listings the NSF International certifier itself issues. The honest framing: Brondell Circle RC100 IS NSF/ANSI 42 + 53 + 58 + 372 certified via WQA Gold Seal — the broader marketing framing of '64 contaminants' reduction is supported by the per-listing scope across the four standards. The centerpiece confusion pattern here is C8 (different certifier than NSF International) — Brondell's certifier is WQA, not NSF International. Secondary C11 (sister-SKU divergent cert profiles) within the Brondell RO range: Circle does NOT carry NSF/ANSI 401 emerging-compounds certification while Capella DOES, meaning PFAS / pharmaceutical reduction is third-party LISTED on Capella but mechanically-supportable-only on Circle. The independent third-party reviewer assessment (WaterFilterGuru, World Water Reserve, Water Tech Advice) treats Circle as 'Best Overall' for water-efficiency innovation (2.1:1 wastewater ratio vs traditional 20-24:1) and non-electric high-throughput operation (500 GPD without an electrical outlet), with the cert-claim alignment validated by independent TDS-meter testing documenting 93-95% TDS reduction matching the brand's claims.

View NSF listing

Brondell Capella

Brondell Capella (3-Stage Under-Sink Reverse Osmosis with NSF/ANSI 401 Emerging-Compounds Cert) — premium under-sink RO with the broadest cert footprint in the Brondell water-filtration lineup

No active certifications

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 per WQA Gold Seal)
Lead, Mercury, Chromium-VI, Cysts, VOCs (NSF/ANSI 53 Health Effects)
TDS, Fluoride, Arsenic-pentavalent, Cadmium, Barium, Copper, Radium, Selenium (NSF/ANSI 58 Reverse Osmosis Systems)
PFAS / Forever Chemicals (PFOA, PFOS, Total PFAS suite — NSF/ANSI 401 Emerging Compounds per-listing scope)
Pharmaceuticals — Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401 per-listing menu
Microplastics (NSF/ANSI 401 scope — explicitly called out in the brand's 'over 86 contaminants' framing)
Flame retardants (Capella 'over 86 contaminants' scope)
Lead-free plumbing material compliance (NSF/ANSI/CAN 372)

Bacteria / Viruses microbiological reduction — Capella does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Capella is not separately LISTED under the NSF/ANSI 55 standard
Beneficial minerals (calcium, magnesium) — the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge or select competing RO systems with built-in remineralization (iSpring RCC7AK includes alkaline remineralization)
General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 + 401 menu — the standards cover a defined per-listing scope of specific pesticides and herbicides rather than a general class umbrella

The Brondell Capella has the broadest cert footprint in the Brondell water-filtration lineup — WQA Gold Seal under FIVE NSF/ANSI standards (42 + 53 + 58 + 401 + 372) including the NSF/ANSI 401 emerging-compounds certification that the Circle RC100 does NOT carry. The structural distinction vs Circle: Capella is the within-Brondell answer to AquaTru Classic's IAPMO NSF/ANSI 401 cert footprint, at a materially lower price band ($215-$269 sale / MSRP vs AquaTru's $475) and at the under-sink RO form factor (vs AquaTru's countertop RO). The C8 (different certifier than NSF International) pattern fires at the same intensity as on Circle (WQA Gold Seal indexed at find.wqa.org rather than info.nsf.org NSF DWTU). The C11 (sister-SKU divergent cert profiles) pattern is what differentiates Capella from Circle within the Brondell range — buyers cross-shopping the two under-sink RO options should know that Capella's NSF/ANSI 401 cert puts PFAS / pharmaceutical reduction at the third-party LISTED tier while Circle's does not (Circle's PFAS reduction is mechanically supportable via the RO membrane but NOT 401-LISTED). The brand's '20x greater wastewater efficiency' framing on Capella is supported by the brand-claimed 1:1 wastewater-to-clean-water ratio (vs traditional 20-24:1).

View NSF listing

Brondell Coral UC300

Brondell Coral UC300 (Under-Sink 3-Stage Carbon Filtration with CSA B483.1) — the carbon-tier under-sink SKU between Pearl countertop and Capella / Circle RO

No active certifications

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor per WQA Gold Seal)
Lead (NSF/ANSI 53 Health Effects)
Mercury, Chromium-VI, Cysts (NSF/ANSI 53)
Volatile Organic Compounds (VOCs, per NSF/ANSI 53)
PFAS / Forever Chemicals (PFOA, PFOS — per NSF/ANSI 401 Emerging Compounds scope)
Pharmaceuticals — Ibuprofen, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401
BPA (Bisphenol-A) — per the brand's emerging-contaminants scope
Microplastics (per NSF/ANSI 401 scope)
Sediment and Turbidity (NSF/ANSI 42 particulate scope)
Lead-free plumbing material compliance (NSF/ANSI/CAN 372)
Drinking Water Treatment Systems Canadian Standard (CSA B483.1) — unique to Coral UC300 in the Brondell water-filtration lineup

TDS / Fluoride / Arsenic-pentavalent — Coral UC300 does NOT carry NSF/ANSI 58 RO certification (it is a carbon-block under-sink system, not a reverse-osmosis system). For TDS / fluoride / arsenic reduction at the under-sink form factor, buyers should select Capella or Circle RC100 within the Brondell range (both carry NSF/ANSI 58 RO cert)
Bacteria / Viruses microbiological reduction — no UV stage in the architecture; not NSF/ANSI 55 LISTED
General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 menu — the standard covers a defined per-listing scope of specific pesticides rather than a general class umbrella

The Brondell Coral UC300 is the carbon-tier under-sink SKU between the Pearl countertop carbon dispenser ($69) and the Capella / Circle under-sink RO systems ($215-$449). The WQA Gold Seal cert footprint covers NSF/ANSI 42 + 53 + 401 + 372 + CSA B483.1 — notably the inclusion of NSF/ANSI 401 emerging-compounds certification (covering PFAS / pharmaceuticals at the per-listing tier) at the most cost-effective price point in the Brondell water-filtration lineup that carries 401 cert. The 'over 75 contaminants' brand-claimed scope is supported by the per-listing menu across the four NSF/ANSI standards plus the additional CSA B483.1 Canadian Drinking Water Treatment Systems standard (which is unique to Coral UC300 in the Brondell lineup). The structural distinction vs Capella / Circle: Coral does NOT carry NSF/ANSI 58 RO certification because it is a carbon-block under-sink system rather than a reverse-osmosis system — meaning TDS / fluoride / arsenic reduction is NOT at the third-party LISTED tier on Coral. Buyers prioritizing PFAS reduction at the lowest entry price within the Brondell range should select Coral UC300 (the only sub-$200 Brondell SKU carrying NSF/ANSI 401 cert); buyers prioritizing broader RO performance (TDS / fluoride / arsenic at the per-listing scope) should step up to Capella ($215-$269) or Circle ($359-$449). The C8 (different certifier than NSF International) pattern fires at the same intensity as on Circle and Capella (WQA Gold Seal indexed at find.wqa.org rather than info.nsf.org NSF DWTU).

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Brondell Circle RC100

Brondell Circle RC100 (4-Stage Under-Sink Reverse Osmosis with Patented Smart Valve) — the brand's flagship water-filtration SKU and the most extensively reviewed Brondell water-filtration product

Standards held

No active certifications

What’s certified

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor claim per WQA Gold Seal listing)
Lead (NSF/ANSI 53 Health Effects scope — 95-98% reduction per published independent testing)
Mercury (NSF/ANSI 53)
Chromium-VI (Hexavalent) and Chromium-III (Trivalent) (NSF/ANSI 53)
Cysts (Cryptosporidium, Giardia, per NSF/ANSI 53)
Volatile Organic Compounds (VOCs, per NSF/ANSI 53)
Total Dissolved Solids (TDS, NSF/ANSI 58 RO anchor — 93-95% reduction per published independent TDS-meter testing)
Fluoride (NSF/ANSI 58 RO membrane stage — 85-92% reduction per published NSF/ANSI 58 testing protocol)
Arsenic-pentavalent (NSF/ANSI 58 — 92-96% reduction per published testing)
Cadmium, Barium, Copper, Radium (NSF/ANSI 58 RO membrane scope)
Atrazine, Benzene, Chlorobenzene, DCPB, Endrin, Methoxychlor, 2,4-D, Trihalomethanes (THMs) — NSF/ANSI 53 / 58 broader contaminant menu per the brand's '64 contaminants' framing
Lead-free plumbing material compliance (NSF/ANSI/CAN 372 anchor)

Brand claims but NOT certified

PFAS / Forever Chemicals (PFOA / PFOS / Total PFAS suite) — Circle RC100 does NOT carry NSF/ANSI 401 Emerging Compounds certification (the certification standard where PFAS reduction lives at the third-party LISTED tier). The Circle's PFAS reduction is mechanically supportable via the RO membrane (the ~0.0001-micron membrane pore size mechanically retains PFAS molecules per RO physics), and the broader Brondell marketing copy treats PFAS as 'PFAS certified for PFOA and PFOS reduction', but the Circle SKU is NOT third-party LISTED under NSF/ANSI 401. Buyers prioritizing certified PFAS reduction at the under-sink RO form factor should select the Brondell Capella (which DOES carry NSF/ANSI 401) or cross-shop AquaTru Classic ($475, IAPMO NSF/ANSI 401 file W-10195)
Pharmaceuticals as a general class — same C8 + C11 pattern as PFAS; the NSF/ANSI 401 scope covers a defined per-listing menu of 15 emerging contaminants including specific pharmaceuticals (Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim, etc.), but the Circle RC100 does NOT carry a 401 listing
Microplastics — Capella's 'over 86 contaminants' scope explicitly includes microplastics under the NSF/ANSI 401 listing scope; Circle's '64 contaminants' framing does NOT include microplastics in the same per-listing way (the Circle RC100 is mechanically capable of microplastic retention via the RO membrane but not third-party LISTED at the per-contaminant scope)
Bacteria / Viruses microbiological reduction — Circle does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Circle is not separately LISTED under the NSF/ANSI 55 standard
Beneficial minerals (calcium, magnesium) — the brand-claimed contaminant scope on the Circle does NOT include remineralization; the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge ($50-$80 add-on) or select competing RO systems with built-in remineralization (iSpring RCC7AK at $250 includes alkaline remineralization)

NSF listing

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Brondell Capella

Brondell Capella (3-Stage Under-Sink Reverse Osmosis with NSF/ANSI 401 Emerging-Compounds Cert) — premium under-sink RO with the broadest cert footprint in the Brondell water-filtration lineup

Standards held

No active certifications

What’s certified

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 per WQA Gold Seal)
Lead, Mercury, Chromium-VI, Cysts, VOCs (NSF/ANSI 53 Health Effects)
TDS, Fluoride, Arsenic-pentavalent, Cadmium, Barium, Copper, Radium, Selenium (NSF/ANSI 58 Reverse Osmosis Systems)
PFAS / Forever Chemicals (PFOA, PFOS, Total PFAS suite — NSF/ANSI 401 Emerging Compounds per-listing scope)
Pharmaceuticals — Ibuprofen, Phenytoin, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401 per-listing menu
Microplastics (NSF/ANSI 401 scope — explicitly called out in the brand's 'over 86 contaminants' framing)
Flame retardants (Capella 'over 86 contaminants' scope)
Lead-free plumbing material compliance (NSF/ANSI/CAN 372)

Brand claims but NOT certified

Bacteria / Viruses microbiological reduction — Capella does NOT carry NSF/ANSI 55 UV disinfection listing (no UV stage in the architecture). RO membrane mechanically reduces bacteria / viruses via pore-size exclusion but the Capella is not separately LISTED under the NSF/ANSI 55 standard
Beneficial minerals (calcium, magnesium) — the RO membrane removes beneficial minerals along with contaminants. Buyers wanting remineralization should add a separate inline remineralization cartridge or select competing RO systems with built-in remineralization (iSpring RCC7AK includes alkaline remineralization)
General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 + 401 menu — the standards cover a defined per-listing scope of specific pesticides and herbicides rather than a general class umbrella

NSF listing

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Brondell Coral UC300

Brondell Coral UC300 (Under-Sink 3-Stage Carbon Filtration with CSA B483.1) — the carbon-tier under-sink SKU between Pearl countertop and Capella / Circle RO

Standards held

No active certifications

What’s certified

Chlorine and Chloramine taste-and-odor (NSF/ANSI 42 anchor per WQA Gold Seal)
Lead (NSF/ANSI 53 Health Effects)
Mercury, Chromium-VI, Cysts (NSF/ANSI 53)
Volatile Organic Compounds (VOCs, per NSF/ANSI 53)
PFAS / Forever Chemicals (PFOA, PFOS — per NSF/ANSI 401 Emerging Compounds scope)
Pharmaceuticals — Ibuprofen, BPA, DEET, atenolol, estrone, naproxen, trimethoprim — per NSF/ANSI 401
BPA (Bisphenol-A) — per the brand's emerging-contaminants scope
Microplastics (per NSF/ANSI 401 scope)
Sediment and Turbidity (NSF/ANSI 42 particulate scope)
Lead-free plumbing material compliance (NSF/ANSI/CAN 372)
Drinking Water Treatment Systems Canadian Standard (CSA B483.1) — unique to Coral UC300 in the Brondell water-filtration lineup

Brand claims but NOT certified

TDS / Fluoride / Arsenic-pentavalent — Coral UC300 does NOT carry NSF/ANSI 58 RO certification (it is a carbon-block under-sink system, not a reverse-osmosis system). For TDS / fluoride / arsenic reduction at the under-sink form factor, buyers should select Capella or Circle RC100 within the Brondell range (both carry NSF/ANSI 58 RO cert)
Bacteria / Viruses microbiological reduction — no UV stage in the architecture; not NSF/ANSI 55 LISTED
General pesticide / herbicide class beyond the per-listing NSF/ANSI 53 menu — the standard covers a defined per-listing scope of specific pesticides rather than a general class umbrella

NSF listing

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Check Certification for a Brondell Filter

This widget shows the third-party-listed certifications for Brondell SKUs only. Type a model number to filter the list below — every result links to the full breakdown. To search across every brand we track, use the global certification tool.

Search Brondell models

RC100
Brondell, Inc
NSF/ANSI 42, 53, 58, 372
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UF-15
Brondell, Inc
NSF/ANSI 42, 53, 372, 401
View details
RC250
Brondell H2O+ Capella
NSF/ANSI 42, 53, 58, 372, 401
View details
UC300 Three-Stage Under Counter Water Filtration System
Brondell H2O+ Coral
NSF/ANSI 42, 53, 372, 401
View details

Listings as of May 29, 2026.

About Brondell

Brondell Inc. is a privately-held San Francisco-based wellness-hardware company best known for its bidet seats and bathroom-fixture product family (Swash electronic bidet seats, LumaWarm heated toilet seats, FreshSpa portable bidet attachments). The brand-official About Us page at brondell.com/about-us documents 'over 2 decades in the industry' as of 2026, aligning with the widely-cited 2003 founding (attributed to Stephen Scher in industry press coverage — treated here as confidence: 'estimated' because the brand's current About Us page does not separately name a founder). Brondell operates an integrated 'Flush / Bathe / Wash / Drink / Breathe' wellness ecosystem framework spanning bidet seats (the 'Flush' headline category and primary brand-recognition driver), shower systems (the 'Bathe' pillar), kitchen faucets including the Jema (the 'Wash' pillar), water filtration (the secondary 'Drink' pillar documented on this brand page), and air purifiers (the 'Breathe' pillar including the Brondell Pro and Revive product families). Water filtration is a SECONDARY category within the broader Brondell portfolio — bidet seats remain the brand's headline product family per the homepage's ecosystem framing where bidets sit first in the 'Flush' position. The water-filtration lineup includes the Pearl countertop activated-carbon-block dispenser ($69.99 with 15 brand-direct reviews at 4.9-star), the Coral UC300 under-sink 3-stage carbon system ($143.99 sale / $179.99 MSRP with 220 brand-direct reviews at 4.8-star, 'over 75 contaminants' reduction including lead and chloramines), the Cypress countertop 3-stage system ($194.99 with 65 brand-direct reviews at 5.0-star), the Capella under-sink reverse-osmosis system ($215.99 sale / $269.99 MSRP with 37 brand-direct reviews at 4.8-star, 'over 86 contaminants' including PFAS / pharmaceuticals / microplastics, 1:1 wastewater-to-clean-water ratio), and the flagship Circle RC100 under-sink reverse-osmosis system ($359.99 sale / $449.99 MSRP with 86 brand-direct reviews at 4.8-star, patented Smart Valve technology achieving 2.1:1 wastewater ratio vs traditional 20-24:1, 500 GPD production without electricity, compact all-in-one design). The brand's third-party performance certification posture is structurally similar to APEC (WQA-listed), Aquasana (WQA/IAPMO-listed), and Pelican (WQA-listed under parent Pentair Filtration Solutions) — Brondell is NOT on the public info.nsf.org NSF DWTU directory (the directory only indexes listings the NSF International certifier itself issues), but the brand IS extensively third-party certified by the Water Quality Association (WQA, find.wqa.org), one of three ANSI-accredited certifiers authorized to issue performance listings against the NSF/ANSI drinking-water-treatment-unit standards. Every per-SKU water-filtration product page on brondell.com/shop/water-filter-systems/ explicitly displays 'WQA Gold Seal Certification' under a 'Water Quality Association certification' heading with the specific NSF/ANSI standards listed per SKU. Per-product cert footprints documented as of 2026-05-23: Coral UC300 carries WQA Gold Seal under NSF/ANSI 42 + 53 + 401 + 372 plus CSA B483.1; Cypress carries WQA Gold Seal under NSF/ANSI 42 + 53 + 401 + 372; Capella carries WQA Gold Seal under NSF/ANSI 42 + 53 + 58 + 401 + 372 (the broadest cert footprint in the Brondell lineup); Circle RC100 carries WQA Gold Seal under NSF/ANSI 42 + 53 + 58 + 372 (notably does NOT carry NSF/ANSI 401 emerging-compounds certification). Independent third-party reviewer assessment (WaterFilterGuru, World Water Reserve, Water Tech Advice) treats the Brondell Circle RC100 as 'Best Overall' in the under-sink RO category for its patented Smart Valve technology achieving 2.1:1 wastewater ratio (vs traditional 20-24:1 — 10x more efficient), 500 GPD production without electricity, and compact all-in-one design (60-70% smaller than traditional separate-tank under-sink RO). Independent TDS testing documented 93-95% TDS reduction (390 ppm tap input → 21-29 ppm output) matching APEC and Waterdrop performance, plus 95-98% lead reduction, 92-96% arsenic-pentavalent reduction, and 85-92% fluoride reduction per the published per-SKU NSF testing protocol data. The brand operates direct-to-consumer through brondell.com (e-commerce storefront) plus retail distribution through Home Depot ($399.99 retail on Circle RC100), Lowe's ($449.99 list), Amazon ($380-$450 depending on seller and Prime availability), Costco, BJ's Wholesale Club, and Ferguson Home plumbing supply. The brand is a member of 1% for the Planet committing to donating 1% of annual sales to environmental nonprofits, with continuous San Francisco Bay Area community-giving partnerships (Alameda County Community Food Bank, Yerba Buena California Native Plant Society Earth Day volunteer activations at McLaren Park Native Plant Garden in San Francisco's Visitacion Valley).

Founded:Approximately 2003 (Brondell Inc. is a privately-held San Francisco-based wellness-hardware company; the brand-official About Us page at brondell.com/about-us documents 'over 2 decades in the industry' as of 2026, aligning with a 2003 founding timeline. The widely-cited industry attribution credits Stephen Scher as the founder of Brondell in 2003 with the original mission of bringing modern bidet seats to the US market — but the brand's current About Us page does not name a founder, so the Scher attribution is treated here as confidence: 'estimated' rather than primary-source verified. The original product category was bidet seats and bathroom-fixture wellness products; the water-filtration product line was added later as a secondary product category within the broader 'Flush / Bathe / Wash / Drink / Breathe' wellness ecosystem framework.)

Headquarters:San Francisco, California, USA — Brondell Inc. operates its corporate footprint at PO Box 470085 San Francisco, CA 94147-0085 per the brand-official footer on brondell.com. The 94147 ZIP code is the San Francisco Marina District / Pacific Heights area in the city proper (not a Bay Area suburb). The brand-official About Us page does not separately disclose component-level country-of-origin for the water-filtration product line; the page emphasizes the brand's local San Francisco identity (community-giving partnerships with the Alameda County Community Food Bank in the San Francisco Bay Area, partnership with the Yerba Buena chapter of the California Native Plant Society for Earth Day volunteer activations at McLaren Park Native Plant Garden in San Francisco's Visitacion Valley).

Parent company:None — Brondell Inc.

Ownership history

Approximately 2003
Brondell Inc. founded in San Francisco, California as a wellness-hardware consumer brand focused on modern bidet seats. The widely-cited industry attribution credits Stephen Scher as the founder with the original mission of bringing modern bidet seats from East Asia (where they are mainstream household fixtures) to the US market (where they had been a niche category). The 2003-Scher founding is treated here as estimated because the brand's current About Us page does not separately name a founder; the brand-official 'over 2 decades in the industry' framing confirms the approximate 2003 founding timeline.
2003-2010s
Brondell expands the bidet-seat product line beyond the introductory Swash product family into the LumaWarm heated toilet seat category and the FreshSpa portable-attachment bidet category, establishing the brand as one of the early US-market category-defining consumer brands for residential bidet seats. During this period the brand operates primarily through direct-to-consumer e-commerce at brondell.com plus Amazon retail, with growing retail distribution at major US home-improvement and plumbing retailers.
Mid-2010s
Brondell extends the wellness-hardware product portfolio beyond bidets into adjacent home-wellness categories: air purifiers (the Pro / Revive product family), shower systems (the brand's shower-line product), and kitchen faucets (the Jema kitchen faucet line). The 'Flush / Bathe / Wash / Drink / Breathe' wellness ecosystem framework emerges as the brand's positioning architecture, with each pillar covering a distinct home-wellness category. Water filtration enters as the 'Drink' pillar with the initial Pearl countertop carbon-block dispenser SKU.
2019
Brondell launches the Circle RC100 under-sink reverse-osmosis water filtration system as the brand's flagship water-filtration SKU. The Circle introduces the patented Smart Valve technology achieving 2.1:1 wastewater-to-clean-water ratio (vs traditional 20-24:1) — a 10x efficiency improvement over conventional under-sink RO — plus 500 GPD production capacity without requiring an electrical outlet (rare combination at the high-throughput tier). The Circle establishes Brondell as a credible water-filtration brand in the under-sink RO segment, with independent third-party reviewer assessments (WaterFilterGuru, World Water Reserve, Water Tech Advice) positioning it as 'Best Overall' for water-efficiency innovation.
Early 2020s
Brondell expands the water-filtration product line beyond the Circle RC100 into the broader under-sink and countertop space: Coral UC300 (under-sink 3-stage carbon, 'over 75 contaminants', $143-$179), Cypress (countertop 3-stage, NSF/ANSI 42 + 53 + 401 + 372), and Capella (premium under-sink RO with NSF/ANSI 401 emerging-compounds certification covering PFAS / pharmaceuticals / microplastics — 'over 86 contaminants', $215-$269). The water-filtration lineup now spans three distinct cert-evidence tiers: countertop carbon-dispenser tier (Pearl, $69), 3-stage carbon tier (Coral / Cypress, $143-$194), and under-sink RO tier (Circle / Capella, $215-$449). WQA Gold Seal third-party performance certification footprint across NSF/ANSI 42 + 53 + 58 + 401 + 372 (per-SKU varies).
2024-2026
Brondell operates as a privately-held independent consumer wellness-hardware brand with WQA Gold Seal cert footprint across the multi-tier water-filtration product line. ~1,200+ aggregate brand-direct customer reviews across the Coral / Cypress / Capella / Circle / Pearl SKUs at a 4.7-star aggregate average as of 2026-05-23. The brand's headline category continues to be bidet seats (Swash / LumaWarm / FreshSpa) — water filtration is the secondary 'Drink' pillar within the broader 'Flush / Bathe / Wash / Drink / Breathe' wellness ecosystem positioning. Brand is a member of 1% for the Planet (committing to donating 1% of annual sales to environmental nonprofits) with continuous community-giving partnerships in the San Francisco Bay Area (Alameda County Community Food Bank, California Native Plant Society Yerba Buena chapter).

Brondell Circle RC100 (4-Stage Under-Sink Reverse Osmosis with Patented Smart Valve)

The brand's flagship water-filtration SKU and the most extensively third-party reviewed Brondell water-filtration product. 4-stage under-sink RO architecture (sediment filter → pre-carbon filter → RO membrane → post-carbon filter) packaged in a compact all-in-one case with integrated 1.6-gallon flexible reservoir. The patented Smart Valve technology eliminates back pressure by using a flexible reservoir instead of a rigid pressurized tank — achieving a 2.1:1 wastewater-to-clean-water ratio (independently verified) vs traditional 20-24:1 for older systems (10x more efficient) and 3-5:1 for modern competitors. 500 GPD production capacity without requiring electricity (operates on municipal water pressure 40-120 PSI, optimal ~60 PSI). 1-hour reservoir refill rate (vs 2-4 hours for traditional 3.2-gallon pressurized tanks). WQA Gold Seal certification under NSF/ANSI 42 (Aesthetic Effects), NSF/ANSI 53 (Health Effects), NSF/ANSI 58 (Reverse Osmosis Systems), and NSF/ANSI/CAN 372 (Lead-Free Compliance) — notably DOES NOT carry NSF/ANSI 401 emerging-compounds certification (Capella does, Circle does not). '64 contaminants' brand-claimed scope including 95-98% lead reduction, 92-96% arsenic-pentavalent reduction, 85-92% fluoride reduction, 93-95% TDS reduction (independently verified by handheld TDS meter testing: 390 ppm tap → 21-29 ppm output). Retail $359.99 sale / $449.99 MSRP with 86 brand-direct reviews at 4.8-star; Home Depot $399.99 with 137 reviews at 4.5-star; Amazon $380-$450 with 100+ verified purchases at 4.4-star.

Brondell Capella (3-Stage Under-Sink Reverse Osmosis with NSF/ANSI 401 Emerging-Compounds Cert)

Premium under-sink reverse-osmosis system with the broadest cert footprint in the Brondell water-filtration lineup. 3-stage under-sink RO architecture with 1:1 wastewater-to-clean-water ratio ('up to 20x greater wastewater efficiency' per the brand-official product page). WQA Gold Seal certification under NSF/ANSI 42 + 53 + 58 + 401 + NSF/ANSI/CAN 372 — the only Brondell SKU carrying NSF/ANSI 401 emerging-compounds certification. 'Over 86 contaminants' brand-claimed scope including microplastics, DEET, flame retardants, prescription drugs (pharmaceutical scope at the per-listing NSF/ANSI 401 tier), and PFAS forever chemicals (the NSF/ANSI 401 listing puts PFAS at the third-party LISTED tier — meaningful differentiator vs the Circle RC100 which does NOT carry 401 certification). Retail $215.99 sale / $269.99 MSRP with 37 brand-direct reviews at 4.8-star. Best-suited for households on PFAS-impacted water who want certified PFAS reduction at the under-sink RO form factor; the Capella is the within-Brondell answer to AquaTru Classic's IAPMO NSF/ANSI 401 cert footprint at a materially lower price band ($215-$269 vs AquaTru's $475).

Brondell Coral UC300 (Under-Sink 3-Stage Carbon Filtration with CSA B483.1)

Under-sink 3-stage activated-carbon filtration system targeting the carbon-tier under-sink segment between simple countertop carbon (Pearl) and reverse-osmosis systems (Capella, Circle). 3-stage architecture (sediment filter + pre-carbon filter + carbon block filter). WQA Gold Seal certification meeting NSF/ANSI 42 (Aesthetic Effects), NSF/ANSI 53 (Health Effects), NSF/ANSI 401 (Emerging Compounds), NSF/ANSI/CAN 372 (Lead-Free Compliance), AND CSA B483.1 (Drinking Water Treatment Systems) — the CSA B483.1 addition is unique to Coral UC300 in the Brondell water-filtration lineup. 'Over 75 contaminants' brand-claimed scope including lead and chloramines per the brand-official product page. Compact under-sink form factor with elegant chrome drinking-water faucet (installs through separate 7/16-inch hole on sink countertop). Retail $143.99 sale / $179.99 MSRP with 220 brand-direct reviews at 4.8-star (the most-reviewed SKU in the Brondell water-filtration lineup). Best-suited for households wanting cert-listed contaminant reduction at the under-sink form factor without the upfront cost of an RO system; carries NSF/ANSI 401 emerging-compounds cert (matching Capella but at materially lower price), making it the most cost-effective Brondell option for buyers prioritizing certified PFAS / pharmaceutical reduction.

Brondell Cypress (Countertop 3-Stage Filtration)

Countertop 3-stage filtration system providing a countertop-format alternative to the under-sink Coral UC300. 3-stage architecture targeting chlorine + heavy-metal + emerging-compound reduction. WQA Gold Seal certification under NSF/ANSI standards 42, 53, 401, and NSF/ANSI/CAN 372 — carries NSF/ANSI 401 emerging-compounds certification (PFAS / pharmaceutical scope at the per-listing tier) at the countertop form factor. Retail $194.99 with 65 brand-direct reviews at 5.0-star (the highest star rating in the Brondell water-filtration lineup). Best-suited for renters / apartment dwellers / households unwilling to undertake an under-sink installation but wanting NSF/ANSI 401 certified emerging-compound reduction at the countertop form factor. The Cypress is the within-Brondell answer to AquaTru's countertop-RO product strategy at a different price band and a different filtration architecture (3-stage carbon vs AquaTru's 4-stage RO), with the trade-off being that Cypress's carbon architecture cannot achieve NSF/ANSI 58 RO performance (Cypress does not carry an NSF/ANSI 58 cert; AquaTru does via IAPMO R&T listing W-10194). For TDS / fluoride / arsenic reduction at the countertop form factor, AquaTru Classic ($475) or Capella under-sink RO ($215-$269) are the within-Brondell-or-adjacent paths.

Brondell Pearl (Countertop Activated Carbon-Block Water Filter Dispenser)

Simple countertop activated-carbon-block water-filter dispenser at the brand's entry-level price tier. Activated carbon block filtration targeting chlorine taste-and-odor reduction, VOC reduction, turbidity reduction, and bad-taste / bad-odor reduction. The Pearl is structurally distinct from the rest of the Brondell water-filtration lineup — it does NOT carry a WQA Gold Seal cert listing on the brand-official product page (unlike Coral / Cypress / Capella / Circle which explicitly list WQA cert under their 'Water Quality Association certification' product-page headings). Slim countertop design that attaches to most faucets via a brand-supplied diverter valve; 6-month replacement filter cartridge with built-in replacement indicator. Retail $69.99 with 15 brand-direct reviews at 4.9-star (the brand's entry-price water-filtration SKU). Best-suited for households wanting basic chlorine taste-and-odor reduction at the countertop form factor without the upfront cost or installation complexity of an under-sink or RO system; structurally similar to entry-level pour-through carbon filtration (Brita Standard / PUR Basic pitcher tier) but at the countertop dispenser form factor rather than the pour-through pitcher form factor. The C5 (single-contaminant cert generalized) confusion pattern fires when consumers extrapolate the broader Brondell brand's WQA cert footprint (Coral / Cypress / Capella / Circle) to the Pearl — the Pearl operates at a structurally different cert-evidence tier than the more sophisticated multi-stage SKUs.

Brondell Inc. water-filtration products are designed and engineered out of the brand's San Francisco corporate footprint (PO Box 470085, San Francisco, CA 94147-0085 per the brand-official site-wide footer). The brand-official product pages, About Us page, and water-filtration shop page emphasize the brand's San Francisco identity and the 'over 2 decades in the industry' tenure, but do NOT separately disclose component-level country-of-origin at the SKU level — the RO membranes (typically sourced from major membrane manufacturers in the broader consumer-RO supply chain like Dow Filmtec, Toray, or DuPont licensees), pre-filter sediment cartridges, pre-carbon and post-carbon filter cartridges, plastic housings, integrated 1.6-gallon flexible reservoir, and Smart Valve assembly do not have published country-of-origin manifests on the brand-official product pages. This is consistent with the broader consumer water-filtration industry where most US-headquartered consumer brands source manufacturing from overseas OEM partners (typically China-based or Korea-based) while retaining US design / engineering / brand operations. Brondell's US corporate operations footprint is comparable to other US-headquartered consumer water-filtration brands (Aquasana at Haltom City TX, Pelican at Sherwood Hall NC, AquaTru at Sherman Oaks CA) on the corporate-presence dimension, but the lack of published assembly-location disclosure (vs APEC's explicit 'Designed, Engineered & Assembled in USA' framing or iSpring's published US-assembly disclosure) means buyers cannot independently verify whether final assembly occurs in the US or at an overseas OEM facility.

Which Brondell Filter Is Right for You?

We mapped each Brondell SKU’s NSF-listed certifications against the 10 contaminants people search for most. Where Brondell doesn’t have a certified SKU, we say so.

Lead

Best pick: Brondell Circle RC100 (4-Stage Under-Sink Reverse Osmosis with Patented Smart Valve) — the brand's flagship water-filtration SKU and the most extensively reviewed Brondell water-filtration product — certified for Lead (Brondell).

PFAS

Best pick: Brondell Coral UC300 (Under-Sink 3-Stage Carbon Filtration with CSA B483.1) — the carbon-tier under-sink SKU between Pearl countertop and Capella / Circle RO — certified for PFAS (Brondell).

Fluoride

Arsenic

Nitrate

Not the right choice if Nitrate is your priority — no certified Brondell SKU for Nitrate. Consider an NSF/ANSI 53-listed filter.

Chromium-6

Not the right choice if Chromium-6 is your priority — no certified Brondell SKU for Chromium-6. Consider an NSF/ANSI 53-listed filter.

Mercury

Atrazine

Chloroform

Cysts

How Brondell Compares

Brondell Circle RC100 ($359-$449, 4-stage under-sink RO with patented Smart Valve, WQA Gold Seal-listed under NSF/ANSI 42 + 53 + 58 + 372) vs AquaTru Classic ($475, 4-stage countertop RO, IAPMO R&T-listed under NSF/ANSI 42 + 53 + 58 + 401 + 372)

Feature	Brondell Circle RC100 ($359-$449, 4-stage under-sink RO with patented Smart Valve, WQA Gold Seal-listed under NSF/ANSI 42 + 53 + 58 + 372)	AquaTru Classic ($475, 4-stage countertop RO, IAPMO R&T-listed under NSF/ANSI 42 + 53 + 58 + 401 + 372)
Format	Under-sink RO — requires saddle-valve install on cold water line + dedicated faucet install at sink countertop; compact 13.8" x 9.25" x 16.5" all-in-one design with integrated 1.6-gallon flexible reservoir; 60-70% smaller footprint than traditional separate-tank under-sink RO	Countertop RO — no plumbing install required; tap-water reservoir manually refilled; push-button dispense from ~1-gallon clean-water tank; occupies ~12-14 inches of countertop space
Daily RO output	500 GPD (gallons per day) production capacity without electricity; 1-hour reservoir refill rate; integrated 1.6-gallon clean-water reservoir	Limited by ~1-gallon clean-water tank with ~3-4 minutes per gallon refill rate (manual tap-water reservoir refill)
Retail price (typical)	$359.99 sale / $449.99 MSRP on brondell.com; $399.99 at Home Depot; $380-$450 on Amazon	$475 on aquatruwater.com and Amazon
Third-party performance cert footprint	WQA Gold Seal listings under FOUR NSF/ANSI standards — NSF/ANSI 42 (Aesthetic Effects), NSF/ANSI 53 (Health Effects covering lead, mercury, chromium-VI, cysts, VOCs), NSF/ANSI 58 (Reverse Osmosis covering TDS + lead + fluoride + arsenic + chromium-VI + cadmium + barium + copper + radium), and NSF/ANSI/CAN 372 (Lead-Free Compliance). NOTABLY does NOT carry NSF/ANSI 401 Emerging Compounds certification	IAPMO R&T listings under FIVE NSF/ANSI standards — file W-10188 (NSF/ANSI 42), W-10193 (NSF/ANSI 53), W-10194 (NSF/ANSI 58), W-10195 (NSF/ANSI 401 Emerging Compounds including PFAS / pharmaceuticals / BPA), W-14617 (NSF/ANSI/CAN 372). One additional NSF/ANSI standard (401) compared to Brondell Circle
PFAS / NSF/ANSI 401 Emerging Compounds cert	NOT WQA-listed under NSF/ANSI 401 on Circle RC100 — PFAS reduction is mechanically supportable via the RO membrane but not third-party LISTED under that specific standard. Within Brondell, the Capella under-sink RO ($215-$269) DOES carry NSF/ANSI 401 cert	IAPMO-listed under NSF/ANSI 401 (file W-10195) — PFOA / PFOS / Total PFAS suite + pharmaceuticals covered at the per-listing scope
Wastewater efficiency	2.1:1 wastewater-to-clean-water ratio (independently verified) via patented Smart Valve technology — 10x more efficient than traditional under-sink RO (20-24:1) and 30-50% better than modern competitors (3-5:1)	AquaTru does not separately disclose a wastewater ratio — countertop RO architecture with integrated tap-water reservoir manages the wastewater stream internally
Install complexity	Requires saddle-valve install on cold water line + dedicated faucet install at sink countertop — typical 1-2 hour DIY install for confident homeowner; not feasible for renters without landlord approval	Zero install — unbox, plug in, fill tap-water reservoir, press dispense button; suitable for renters / apartments / rentals
Electricity required	NO — operates on municipal water pressure alone (40-120 PSI, optimal ~60 PSI); continues to produce filtered RO water during power outages	Standard electrical outlet required (countertop RO with electric pump-and-controls architecture)
Brand corporate context	Privately-held independent consumer wellness-hardware brand operated by Brondell Inc. (San Francisco, CA; founded approximately 2003; bidet seats remain the brand's headline category — water filtration is the secondary 'Drink' pillar within the broader wellness-hardware portfolio)	Operated by AQUATRU, LLC (the IAPMO listing entity); part of the Ideal Living family (parent Ideal Living Management, LLC, Sherman Oaks CA; founded 1999 by Peter Spiegel; sister brand AirDoctor air purifiers)

Format

Brondell Circle RC100 ($359-$449, 4-stage under-sink RO with patented Smart Valve, WQA Gold Seal-listed under NSF/ANSI 42 + 53 + 58 + 372)

Under-sink RO — requires saddle-valve install on cold water line + dedicated faucet install at sink countertop; compact 13.8" x 9.25" x 16.5" all-in-one design with integrated 1.6-gallon flexible reservoir; 60-70% smaller footprint than traditional separate-tank under-sink RO