iSpring Water Filters
iSpring is a Georgia-based water filtration company specializing in reverse osmosis systems. With over 75,000 Amazon reviews and NSF-58 certification across their product line, iSpring delivers high-performance RO filtration at accessible price points, from the best-selling RCC7AK 6-stage system ($220) to tankless RO500 series ($525-550).
Specialties
- ✓Reverse Osmosis Systems
- ✓Alkaline Remineralization
- ✓Tankless RO
- ✓Budget-Friendly RO
Filter Categories
iSpring Water Filter Collection (7)
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iSpring Water Systems LLC
RCC7
NSF Certified:
Daily Production
21.04 gpd
Removes 1 contaminants:
Total Dissolved Solids
iSpring Water Systems LLC
RCC7-BLK
NSF Certified:
Daily Production
25.41 gpd
Removes 9 contaminants:
Asbestos, Barium, Cadmium, Chromium (Total), Copper +4 more
iSpring Water Systems LLC
RCC7AK-BLK
NSF Certified:
Daily Production
25.41 gpd
Removes 9 contaminants:
Asbestos, Barium, Cadmium, Chromium (Total), Copper +4 more
iSpring Water Systems LLC
RCC7AK-UVBLK
NSF Certified:
Daily Production
25.41 gpd
Removes 9 contaminants:
Asbestos, Barium, Cadmium, Chromium (Total), Copper +4 more
iSpring Water Systems LLC
RO500-BN
NSF Certified:
Daily Production
500 gpd
Removes 1 contaminants:
Total Dissolved Solids
iSpring Water Systems LLC
RO500AK-BN
NSF Certified:
Daily Production
500 gpd
Removes 1 contaminants:
Total Dissolved Solids
iSpring Water Systems LLC
RCC7AK-UV
NSF Certified:
Daily Production
21.04 gpd
Removes 1 contaminants:
Total Dissolved Solids
Why Choose iSpring Water Filters?
All iSpring water filters listed on this page are NSF-certified, ensuring they meet rigorous independent testing standards for contaminant removal. With over 20 years of experience, iSpring is known for quality, reliability, and proven performance.
Whether you need a refrigerator filter, under-sink system, or reverse osmosis solution,iSpring offers certified options that effectively remove lead, PFAS, chlorine, and other contaminants from your drinking water.
About iSpring
iSpring Water Systems is a Georgia-based water filtration company that has spent nearly two decades specializing in reverse osmosis technology. Headquartered in the Greater Metro Atlanta area, iSpring focuses on making high-performance RO filtration accessible to homeowners at competitive price points, with their best-selling RCC7AK 6-stage system available at around $220. Learn more about how reverse osmosis filtration works.
iSpring's product line centers on under-sink reverse osmosis systems, ranging from basic 5-stage configurations to advanced tankless models with smart monitoring. Their systems carry NSF-58 certification for RO performance, and their RO systems are independently tested to remove up to 99% of over 1,000 contaminants including lead, fluoride, arsenic, and PFAS.
With over 75,000 verified Amazon reviews across their product line and an average rating of 4.6 stars, iSpring has established itself as one of the most popular value-oriented RO brands in the residential water filtration market.
RCC7 Series
5-stage traditional RO systems starting at $220. The entry-level option delivering NSF-58 certified reverse osmosis filtration with 75 GPD output.
RCC7AK Series
6-stage RO systems with alkaline remineralization ($220-$355). Adds a mineral restoration stage for improved taste and pH balance after RO filtration.
RO500 Series
Tankless RO systems ($525-$550). High-output 500 GPD systems with real-time TDS monitoring and compact design that eliminates the storage tank.
Replacement Filters
Cartridges and membranes for all iSpring RO systems. Pre-filters, post-filters, RO membranes, and alkaline remineralization cartridges.
iSpring Water Systems is headquartered at 2480 Industrial Park Blvd, Cumming, GA 30041 in the Greater Metro Atlanta area. Their systems are designed in Georgia and assembled with components sourced from multiple suppliers to maintain competitive pricing while meeting NSF certification standards.
How iSpring Compares
iSpring RCC7AK vs Waterdrop G3P800
| Feature | iSpring RCC7AK | Waterdrop G3P800 |
|---|---|---|
| Type | Tank-based 6-stage RO | Tankless 7-stage RO |
| Price | ~$220 | ~$849 |
| Daily Output | 75 GPD | 800 GPD |
| Waste Ratio | 1:2 (standard) | 1:1 (efficient) |
| Remineralization | Yes (alkaline stage) | No (add-on available) |
| TDS Reduction | 97% | 97% |
| NSF Certifications | NSF-58 | NSF-58, NSF-372 |
| Best For | Value seekers, first-time RO | Premium, space-conscious |
Type
iSpring RCC7AK
Tank-based 6-stage RO
Waterdrop G3P800
Tankless 7-stage RO
Price
iSpring RCC7AK
~$220
Waterdrop G3P800
~$849
Daily Output
iSpring RCC7AK
75 GPD
Waterdrop G3P800
800 GPD
Waste Ratio
iSpring RCC7AK
1:2 (standard)
Waterdrop G3P800
1:1 (efficient)
Remineralization
iSpring RCC7AK
Yes (alkaline stage)
Waterdrop G3P800
No (add-on available)
TDS Reduction
iSpring RCC7AK
97%
Waterdrop G3P800
97%
NSF Certifications
iSpring RCC7AK
NSF-58
Waterdrop G3P800
NSF-58, NSF-372
Best For
iSpring RCC7AK
Value seekers, first-time RO
Waterdrop G3P800
Premium, space-conscious
iSpring RCC7AK wins on value — it delivers the same 97% TDS reduction at one-quarter the price. Choose Waterdrop G3P800 if cabinet space is limited or you want minimal water waste.
iSpring RCC7AK vs APEC ROES-50
| Feature | iSpring RCC7AK | APEC ROES-50 |
|---|---|---|
| Type | 6-stage with remineralization | 5-stage basic RO |
| Price | ~$220 | ~$200 |
| Daily Output | 75 GPD | 50 GPD |
| Remineralization | Yes | No |
| Warranty | 1 year | 2 years |
| Annual Filter Cost | ~$95 | ~$80 |
| Made In | Assembled in USA | Made in USA |
| Best For | Better taste (minerals added) | Budget, proven reliability |
Type
iSpring RCC7AK
6-stage with remineralization
APEC ROES-50
5-stage basic RO
Price
iSpring RCC7AK
~$220
APEC ROES-50
~$200
Daily Output
iSpring RCC7AK
75 GPD
APEC ROES-50
50 GPD
Remineralization
iSpring RCC7AK
Yes
APEC ROES-50
No
Warranty
iSpring RCC7AK
1 year
APEC ROES-50
2 years
Annual Filter Cost
iSpring RCC7AK
~$95
APEC ROES-50
~$80
Made In
iSpring RCC7AK
Assembled in USA
APEC ROES-50
Made in USA
Best For
iSpring RCC7AK
Better taste (minerals added)
APEC ROES-50
Budget, proven reliability
Both are excellent budget RO systems. iSpring RCC7AK adds remineralization for $20 more, improving taste. APEC ROES-50 offers a longer warranty and lower annual filter cost. Choose iSpring if taste matters; choose APEC for the lowest total cost of ownership.
Looking for a broader comparison? See our full under-sink filter roundup with 16 systems tested and compared.
Explore other brands: Whirlpool, Pentair, Solventum, and Omnipure.
iSpring Customer Reviews Summary
What Customers Love
- Easy DIY installation
- Excellent water taste after remineralization
- Great value for RO performance
- Responsive customer support
Common Concerns
- Tank takes cabinet space
- Some units have initial leaks at fittings
- Filter replacement can be confusing for first-timers
iSpring RCC7AK is one of the most-reviewed RO systems on Amazon with over 17,600 ratings, maintaining a 4.7-star average — indicating consistent quality across a large sample.
The tankless RO500 series averages 4.6 stars despite the higher price point, suggesting that buyers who need premium features are equally satisfied.
Across all 7 current models, no product falls below 4.5 stars, showing consistent quality control across the entire product line.
Review data aggregated from verified Amazon purchases. Individual results may vary.
Frequently Asked Questions About iSpring Water Filters
iSpring is one of the most popular residential RO brands in the US, with over 75,000 verified Amazon reviews and an average rating of 4.6 stars across their product line. Their systems carry NSF-58 certification for reverse osmosis performance, and the company has been based in Georgia for nearly two decades. Their RCC7AK is consistently among the top-selling under-sink RO systems on Amazon. Check your water quality by ZIP code to see if an RO system is right for your area.
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