Express Water ROALK10MBN
#9 in With tankFull review
For a buyer who wants mineralized water at a low price. The RO5DX is the safer pick if certification matters.
Amazon $199.99$199.99
2.9/5
For a household that wants a certified, compact tank system with a filter change reminder. Families who draw a lot of water at once will outrun its small tank.
- 40 gallons a dayOutput
- $205 a yearFilters
- YesNSF/ANSI 58
Check price at Brondell$359.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Certified to NSF/ANSI 58 by WQA
- The faucet light tells you when filters are due
- Small tank leaves more room in the cabinet
- Needs no outlet under the sink
Cons
- Small tank runs dry quickly when filling pots
- Filters cost about $205 a year
- One year warranty is the minimum in this category
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 | RC100 |
|---|---|
| Filtration | |
| Output | 40 gallons a day |
| Stages | 4 |
| Remineralization | No |
| NSF/ANSI 58 | Yes |
| Other certifications | NSF/ANSI 42, 53, 372 |
| Replacement filters | $205 a year |
| Build | |
| Tank | 1.6 gal |
| Booster pump | No |
| Smart faucet | Yes |
| Warranty | 1 year |
Alternatives in this type
Home Master TMAFC-ERP
#10 in With tankFull review
For someone who wants low water waste and mineralized water without needing an outlet. Buyers who want an NSF/ANSI 58 certification should look elsewhere.
Amazon $419.90$419.90
iSpring RCC1UP
#12 in With tankFull review
For homes on well water or low line pressure that want a pump and UV stage in a tank system. Buyers on city water get certification for far less with the RCC7.
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Compare
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