GE Appliances MWF
- Refrigerator
- Point of use
- City water
- Well water
- Replacement element
- Listed
$49.97as of 2026-08-30
Secondary sourceVerified 2026-08-30Retailer listing
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Our verdict on the GE Appliances MWF
The GE MWF is an IAPMO R&T-listed refrigerator filter for potable water at 0.5 gpm and a six-month replacement interval; its operating range is 40–120 psi and 33–100°F. It is not a substitute for disinfection when water is microbiologically unsafe or of unknown quality.[1][2][3]
Best for
- Point-of-use refrigerator filtration of potable municipal or private water within 40–120 psi and 33–100°F
Not for
- Water above 120 psi unless pressure is controlled as GE directs
- Microbiologically unsafe or unknown-quality water without adequate disinfection before and after the filter
Primary sourceVerified 2026-08-30Manufacturer datasheetIAPMO listing
Which models the GE Appliances MWF fits
The GE Appliances MWF fits the 3 models listed below, verified 2026-08-30.[1][2][3]
| Model | Notes |
|---|---|
| PSB48YSNSS | GE states that this refrigerator uses the MWF replacement filter. |
| PSB42YSNSS | GE states that this refrigerator uses the MWF replacement filter. |
| PSB42YSRSS | GE states that this refrigerator uses the MWF replacement filter. |
Primary sourceVerified 2026-08-30Brand official
Certification check: GE Appliances MWF
Listed by IAPMO R&T under NSF P473, NSF/ANSI 401, NSF/ANSI 42, and NSF/ANSI 53, checked in the certifier directories as of 2026-08-30.
- IAPMO R&T
- NSF P473NSF/ANSI 401NSF/ANSI 42NSF/ANSI 53
IAPMO R&T and WQA certify products against the same NSF/ANSI standards as NSF, so a listing from either one is an equivalent third-party certification, not a lesser one.
| Directory | Result | Listing |
|---|---|---|
| NSF | No listing found (checked 2026-08-30) | View listing |
| IAPMO R&T | Listing found (checked 2026-08-30) | View listing |
| WQA | No listing found (checked 2026-08-30) | View listing |
Claimed vs. certified: GE Appliances MWF
| Contaminant | Status | Third-party listing | What the brand says |
|---|---|---|---|
| Chlorine, 170-gallon MWF | Marketed only | No entry |
|
| Lead pH 6.5, 170-gallon MWF | Marketed only | No entry |
|
| Lead pH 8.5, 170-gallon MWF | Marketed only | No entry |
|
| PFOA/PFOS, 170-gallon MWF | Marketed only | No entry |
|
| Asbestos | Certified only |
| No entry |
| Atenolol | Certified only |
| No entry |
| Bisphenol A | Certified only |
| No entry |
| Carbamazepine | Certified only |
| No entry |
| Chlorine | Certified only |
| No entry |
| Cyst | Certified only |
| No entry |
| DEET | Certified only |
| No entry |
| Estrone | Certified only |
| No entry |
| Ibuprofen | Certified only |
| No entry |
| Lead | Certified only |
| No entry |
| Linuron | Certified only |
| No entry |
| Meprobamate | Certified only |
| No entry |
| Mercury | Certified only |
| No entry |
| Metolachlor | Certified only |
| No entry |
| Naproxen | Certified only |
| No entry |
| Nonylphenol | Certified only |
| No entry |
| Particulate Class I | Certified only |
| No entry |
| PFOA/PFOS | Certified only |
| No entry |
| Phenytoin | Certified only |
| No entry |
| Taste and Odor | Certified only |
| No entry |
| Toxaphene | Certified only |
| No entry |
| Trimethoprim | Certified only |
| No entry |
| VOC | Certified only |
| No entry |
How long the GE Appliances MWF lasts, and what it costs a year
The GE Appliances MWF is rated for 6 months, verified 2026-08-30. Replacing it on that schedule costs $99.94 a year, verified 2026-08-30.
Cost per year
| Element | Replace | Cost per year |
|---|---|---|
| MWF | every 6 months | $99.94 |
| Total per year | $99.94 | |
Secondary sourceVerified 2026-08-30Manufacturer datasheetRetailer listing
What the GE Appliances MWF does not do
Do not use the MWF with microbiologically unsafe or unknown-quality water without adequate disinfection before and after the system. The GE Appliances MWF's recorded operating limits are Water pressure at least 40 psi and up to 120 psi, Water temperature at least 33 °F and up to 100 °F, verified 2026-08-30.
Do not use the MWF with microbiologically unsafe or unknown-quality water without adequate disinfection before and after the system.[1]
Primary sourceVerified 2026-08-30Manufacturer datasheet
Operating limits
| Parameter | Limit | What it means |
|---|---|---|
| Water pressure | at least 40 psi and up to 120 psi[1] | GE says not to install if pressure exceeds 120 psi and to install a pressure-limiting valve above 80 psi. Primary sourceVerified 2026-08-30Manufacturer datasheet |
| Water temperature | at least 33 °F and up to 100 °F[1] | GE says not to install on hot-water lines and to protect the cartridge from freezing. Primary sourceVerified 2026-08-30Manufacturer datasheet |
Do not buy it for these situations
Water pressureDo not install where water pressure exceeds 120 psi; GE calls for a pressure-limiting valve when pressure exceeds 80 psi.[1]
Primary sourceVerified 2026-08-30Manufacturer datasheet
Well waterPrivate-water buyers with microbiologically unsafe or unknown-quality water need adequate disinfection before and after the filter.[1][2]
Primary sourceVerified 2026-08-30Manufacturer datasheetIAPMO listing
Fit and sizing: GE Appliances MWF
The GE Appliances MWF is a refrigerator unit installed at the point of use, for city water and well water. It is rated for 0.5 gpm of service flow, verified 2026-08-30.
| Form factor | Refrigerator |
|---|---|
| Installed at | Point of use (one fixture) |
| Water source | City water and Well water |
| Service flow | 0.5 gpm[1][2] Primary sourceVerified 2026-08-30IAPMO listingManufacturer datasheet |
| Operating pressure | 40–120 psi[1] Primary sourceVerified 2026-08-30Manufacturer datasheet |
| Operating temperature | 33–100 °F[1] Primary sourceVerified 2026-08-30Manufacturer datasheet |
What the GE Appliances MWF really costs
The GE Appliances MWF costs $49.97 as of 2026-08-30. Over ten years, including installation and replacement elements, the recorded total is $1,049.37.
Replacement schedule
| Element | Replace | Cost per year |
|---|---|---|
| MWF | every 6 months | $99.94 |
Secondary sourceVerified 2026-08-30Manufacturer datasheetRetailer listing
Ten-year cost of ownership
| Purchase price (as of 2026-08-30) | $49.97 |
|---|---|
| Replacement elements, 10 × $99.94/year | $999.40 |
| Sum of the lines above (as of 2026-08-30) | $1,049.37 |
| Recorded ten-year total | $1,049.37 |
Installing the GE Appliances MWF
Installing the GE Appliances MWF is an easy job. DIY install, verified 2026-08-30.
Manufacturer documentation
- Install manual: https://images.salsify.com/image/upload/s--Ywt5J-XL--/n4uqjvwqinum6hwugk78.pdf (accessed 2026-08-30)
- Install video: https://www.youtube.com/watch?v=jc-euVwBEWM (accessed 2026-08-30)
Ongoing maintenance
- Replace the cartridge, run 3 gallons (about 6 minutes) through the dispenser and hold the filter-reset control for 3 seconds. — every 6 months
Primary sourceVerified 2026-08-30Manufacturer datasheet
The GE Appliances MWF against its family and its rivals
The GE Appliances MWF has 2 siblings in its family: MWFA, MWFP.
The rest of the family
| Model | What differs |
|---|---|
| MWFA | The 300-gallon MWF configuration uses an MWFA replacement component, while GE also publishes a separate 170-gallon MWF performance table. |
| MWFP | GE describes MWFP as the improved MWF cartridge offered after September 3, 2013. |
GE Appliances MWF questions, answered
What is the difference between GE water filter MWF and MWFp?
MWFP is GE's improved MWF cartridge, offered after September 3, 2013. GE's current page uses the MWF name for the family but identifies the orderable improved cartridge as model MWFP.
Sources: [1]
What is the best water filter for a GE MWF refrigerator?
What is the best water filter replacement for a GE MWF water filter?
How long does a GE MWF water filter last?
GE says to replace the MWF every six months, or earlier if water flow declines. Rated capacity depends on the cartridge label: GE publishes separate 170- and 300-gallon MWF performance tables.
Sources: [1]
Sources and data report: GE Appliances MWF
Every figure above is taken from the highest-trust source that carries it and re-derived from that source by a separate check. How we verify product data.
What we could not establish, and why
| Field | Why it is blank |
|---|---|
| identity.upc | GE's current MWF/MWFP pages, the GE performance sheet and the exact Amazon PDP were checked; none exposed a carton UPC that could be verified for this exact record. |
| identity.capacity | GE's performance sheet says MWF rated capacity may be 170 or 300 gallons depending on the filter label, and active IAPMO R&T rows distinguish exact MWF from MWF w/ MWFA; this record has no label-specific identifier that resolves the two. |
| certified.certIndexKey | The local certification index was searched for MWF and GE; it contains aftermarket MWF-like model ids but no exact GE OEM MWF join key. Corpus silence is not used as certification evidence. |
| mechanism.treatmentMethods | The exact-model GE MWF performance sheet does not name its treatment media. GE's current store page identifies Carbon Block only in specifications explicitly scoped to the improved MWFP, so that value was not carried across variants. |
| fit.bathroomsServed | A refrigerator cartridge is not sized by bathrooms, and GE's product page, performance sheet and IAPMO R&T listings publish no bathroom range. |
| fit.householdSize | GE's product page, performance sheet and IAPMO R&T listings give flow and cartridge capacity but no supported household-size range. |
| fit.roOutputGpd | MWF is a refrigerator replacement cartridge rather than an RO membrane; GE and IAPMO R&T publish service flow, not an RO production rating. |
| fit.roTankCapacity | MWF is an in-refrigerator cartridge with no RO storage tank; the GE documents publish no tank-capacity specification. |
| fit.dimensions | GE's exact-model performance sheet and live IAPMO R&T listings do not publish a complete height-width-depth set; retailer dimensions were not promoted over primary-source silence. |
| fit.connectionSize | The MWF cartridge uses a proprietary twist-in refrigerator interface, and the GE performance sheet publishes no dimensional connection-size value. |
| fit.requiresElectricity | The host refrigerator uses electricity, but the GE documents do not characterize the replacement cartridge itself as requiring electricity; the value was left unresolved rather than conflating host and element. |
| fit.requiresDrain | The GE performance sheet gives flushing instructions but does not state a drain requirement for the cartridge; no host-appliance requirement was inferred. |
| cost.msrp | GE's current $49.99 page is explicitly scoped to orderable model MWFP. Because this record's exact model remains MWF, that price was not carried across variants as MWF MSRP. |
| cost.wasteRatio | MWF is not an RO system and GE's performance sheet publishes no waste-to-product ratio. |
| cost.warranty | GE's current product and family pages plus the supplied performance sheet were checked; none gave an exact MWF warranty term satisfying the schema's years-or-lifetime shape. |
| cost.moneyBackGuarantee | GE's current product and family pages and the exact Amazon PDP were checked; no manufacturer money-back term for the exact MWF was established. |
| install.estimatedHours | GE's instructions and video show the replacement procedure but publish no elapsed-time estimate; the six-minute flush was not misrepresented as total installation time. |
| seo.verification | The independent product verification loop has not run yet; that later pipeline stage stamps this field. |
Every source behind this page
- Retailer listingaccessed: 2026-08-30https://www.amazon.com/dp/B000AST3AK
- Amazon showed the exact GE MWF one-pack as in stock on 2026-08-30
- Amazon one-time purchase price for exact GE MWF ASIN B000AST3AK was $49.97
- The $99.94 annual element cost is two cartridges at the dated $49.97 street price
- IAPMO listingaccessed: 2026-08-30https://myplc.iapmo.org/certificate#/18905
- IAPMO R&T file W-9755 was current and listed model MWF on 2026-08-30
- IAPMO R&T file W-9755 lists MWF at 0.5 gpm
- IAPMO R&T file W-9755 lists GE Appliances model MWF
- IAPMO R&T file W-9755 names GE Appliances and model MWF
- Brand officialaccessed: 2026-08-30https://www.geappliances.com/appliance/GE-Profile-Series-48-Built-In-Side-by-Side-Refrigerator-PSB48YSNSS
- GE model PSB48YSNSS uses an MWF replacement filter
- GE's model-specific page confirms MWF replacement-filter fit for PSB48YSNSS
- Brand officialaccessed: 2026-08-30https://www.geappliances.com/appliance/GE-Profile-Series-42-Built-In-Side-by-Side-Refrigerator-PSB42YSNSS
- GE model PSB42YSNSS uses an MWF replacement filter
- Brand officialaccessed: 2026-08-30https://www.geappliances.com/appliance/GE-Profile-Series-42-Built-In-Side-by-Side-Refrigerator-PSB42YSRSS
- GE model PSB42YSRSS uses an MWF replacement filter
- Manufacturer datasheetaccessed: 2026-08-30https://images.salsify.com/image/upload/s--Ywt5J-XL--/n4uqjvwqinum6hwugk78.pdf
- GE instructs users to replace the MWF cartridge every six months or earlier when flow declines
- MWF service flow is 0.5 gpm
- MWF pressure range is 40–120 psi
- MWF temperature range is 33–100°F
- MWF replacement interval is six months
- Unsafe or unknown-quality water requires adequate disinfection before and after the system
- GE's warning requires adequate disinfection for microbiologically unsafe or unknown-quality water
- MWF application pressure is 40–120 psi
- A pressure-limiting valve is required above 80 psi
- MWF application temperature is 33–100°F
- The cartridge must not be installed on a hot-water line and must be protected from freezing
- GE's pressure contraindication and valve instruction
- GE's unsafe-water warning
- GE's MWF application data specifies 0.5 gpm
- GE's MWF application pressure range is 40–120 psi
- GE's MWF application temperature range is 33–100°F
- GE's MWF instructions describe aligning and turning the cartridge without a professional-install step
- GE's scheduled MWF replacement interval is six months
- GE's instructions require aligning and turning the cartridge, then flushing and resetting the indicator
- MWF installation, flushing, filter-light reset, operating limits and replacement instructions
- GE's six-month replacement, 3-gallon flush and 3-second filter-reset instructions
- MWF replacement interval is six months or earlier when flow declines
- GE publishes label-specific 170- and 300-gallon MWF performance tables
- IAPMO listingaccessed: 2026-08-30https://myplc.iapmo.org/certificate#/18761
- The listed PFOA/PFOS drinking-water application covers public or private drinking water
- The listed drinking-water application includes public and private water
- Brand officialaccessed: 2026-08-30https://www.youtube.com/watch?v=jc-euVwBEWM
- GE's MWF replacement video demonstrates a user-performed twist-in cartridge change
- GE's video shows the MWF cartridge being removed and installed by hand
- GE's MWF replacement demonstration uses no tools
- GE's official MWF replacement demonstration
- Government agencyaccessed: 2026-08-30https://www.cpsc.gov/search?search_api_fulltext=GE%20MWF
- CPSC search returned no result for GE MWF on 2026-08-30
- Unverifiedaccessed: 2026-08-30https://www.google.com/search?q=%22GE+MWF%22+lawsuit+OR+litigation
- A dated live web search found no model-specific GE MWF litigation result
- IAPMO listingaccessed: 2026-08-30https://myplc.iapmo.org/certificate#/18906
- IAPMO R&T file W-9756 lists MWF as the replacement component for the MWF1 row
- Brand officialaccessed: 2026-08-30https://www.geapplianceparts.com/store/parts/spec/MWFP
- GE identifies MWFP as the improved MWF offered after September 3, 2013
- GE presents MWFP as the current genuine MWF-family replacement cartridge
Cite this page
TapWaterData Editorial. "GE MWF Water Filter Review: Certs, Cost & Specs." TapWaterData, verified 2026-08-30. https://www.tapwaterdata.com/filters/brand/ge/mwf
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