OptimH2O Reverse Osmosis
Under-sink RO with Claryum remineralization that targets lead, PFAS, and fluoride.
At a glance
Pros
- + Multiple NSF certifications including 58 and 401
- + Remineralization improves taste
- + Removes lead, PFAS, and fluoride
- + DIY installation kit included
Cons
- − Produces wastewater
- − Tank requires cabinet space
Our verdict
The Aquasana OptimH2O combines reverse osmosis with remineralization for clean, great-tasting water. It uses a tank and produces some wastewater like other RO units.
Full specs
| Filter type | Under-sink RO |
|---|---|
| Removes | lead, PFAS, fluoride, nitrates, arsenic, chlorine |
| NSF certified | 42, 53, 58, 401 |
| Flow rate | 0.06 GPM |
| Filter life | 600 gal |
| Filter cost / yr | 110 USD |
| Installation | DIY |
| Storage tank | Yes |
Compare to similar models
Other water filters that match OptimH2O Reverse Osmosis's strengths.
Classic Countertop RO
Countertop reverse osmosis that needs no plumbing yet removes a huge contaminant range.
Top Tier RO-90
Five-stage under-sink reverse osmosis that strips lead, PFAS, fluoride, and more.
RCC7AK
Six-stage RO system with alkaline remineralization for clean, balanced drinking water.
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