iSpring RCC7
#2 in With tankFull review
For a household that wants proven, certified RO water at a low price and does not mind a tank under the sink. Filters cost little and are easy to find.
Amazon $188.09$188.09
4.0/5
For families who want a certified tank RO system with more output and a faster pour than entry models, at a low price.
- 100 gallons a dayOutput
- 1:1Pure to drain
- $95 a yearFilters
- YesNSF/ANSI 58
Check price at Amazon$199.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Twice the rated output of the ROES-50 for little more money
- Certified to NSF/ANSI 58 by WQA
- 3/8 inch faucet line pours faster than the usual 1/4 inch
- Needs no outlet under the sink
Cons
- The 1:1 ratio is APEC’s claim; its own NSF test data in the manual shows a 20% recovery rating
- The tank takes up much of the cabinet
- Only a 1-year warranty in the manual
The APEC ROES family
Every APEC ROES model we rank, smallest first. Ratings compare each against its own type.
| Model | Output | Rating | Price |
|---|---|---|---|
| APEC ROES-50 | 50 gallons a day | 3.6/5 | $179.99 |
| APEC ROES-PH75 | 75 gallons a day | 3.5/5 | $189.99 |
| APEC ROES-100 (this one) | 100 gallons a day | 4.0/5 | $199.99 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | ROES-100 |
|---|---|
| Filtration | |
| Output | 100 gallons a day |
| Pure to drain | 1:1 |
| Stages | 5 |
| Remineralization | No |
| NSF/ANSI 58 | Yes |
| Other certifications | NSF/ANSI 372 |
| Replacement filters | $95 a year |
| Build | |
| Tank | 4 gal |
| Booster pump | No |
| Smart faucet | No |
| Warranty | 1 year |
Alternatives in this type
APEC RO-90
#3 in With tankFull review
For buyers who want a certified, low-maintenance tank RO system with long-lasting filters.
Amazon $209.99$209.99
APEC RO-Hi
#4 in With tankFull review
For cooks and families who fill pots and pitchers often and want a faster pour from a certified tank system.
Amazon $299.94$299.94
Compare
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