Aquasana Claryum 2-Stage vs Frizzlife SK99
Only the Aquasana Claryum 2-Stage is certified to reduce PFAS, chloramine, mercury and microplastics and 1 more. Verdict: the Aquasana Claryum 2-Stage for broader certified protection (8 vs 3 of the contaminants we track); the Frizzlife SK99 if running cost matters more. Replacement filters and water for 2 people cost about $148 a year on the Aquasana Claryum 2-Stage and $105 on the Frizzlife SK99; they cost $250 and $126 to buy.
| Aquasana Claryum 2-Stage | Frizzlife SK99 | |
|---|---|---|
| Type | Under-sink filter | Under-sink filter |
| Price | $250 | $126 |
| Filters + water a year (2 people) | $148 | $105 |
| Filter cost per gallon (rated life) | 15¢ | — |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | diy | diy |
| PFAS | Certified | — |
| Lead | Certified | Certified |
| Chlorine | Certified | Certified |
| Chloramine | Certified | Brand test only |
| Fluoride | — | Brand test only |
| Mercury | Certified | Brand test only |
| Microplastics | Certified | — |
| Cysts | Certified | Certified |
| VOCs | Certified | Brand test only |