Frizzlife MK99 vs Waterdrop 10UA
Only the Frizzlife MK99 is certified to reduce lead and cysts. Verdict: the Frizzlife MK99 for broader certified protection (3 vs 1 of the contaminants we track); the Waterdrop 10UA if running cost matters more. Replacement filters and water for 2 people cost about $40 a year on the Frizzlife MK99 and $31 on the Waterdrop 10UA; they cost $70 and $59 to buy.
| Frizzlife MK99 | Waterdrop 10UA | |
|---|---|---|
| Type | Under-sink filter | Under-sink filter |
| Price | $70 | $59 |
| Filters + water a year (2 people) | $40 | $31 |
| Filter cost per gallon (rated life) | 2.5¢ | 0.3¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | diy | diy |
| Lead | Certified | — |
| Chlorine | Certified | Certified |
| Mercury | — | Brand test only |
| Cysts | Certified | — |