Waterdrop Countertop faucet filter CTF-01 vs Waterdrop King Tank gravity filter (2.25 gal)
Only the Waterdrop Countertop faucet filter CTF-01 is certified to reduce chlorine. Verdict: the Waterdrop Countertop faucet filter CTF-01 for broader certified protection (1 vs 0 of the contaminants we track); the Waterdrop King Tank gravity filter (2.25 gal) if running cost matters more. Replacement filters and water for 2 people cost about $40 a year on the Waterdrop Countertop faucet filter CTF-01 and $3 on the Waterdrop King Tank gravity filter (2.25 gal); they cost $80 and $230 to buy.
| Waterdrop Countertop faucet filter CTF-01 | Waterdrop King Tank gravity filter (2.25 gal) | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $80 | $230 |
| Filters + water a year (2 people) | $40 | $3 |
| Filter cost per gallon (rated life) | 0.5¢ | 1.3¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | diy | none |
| Lead | Brand test only | — |
| Chlorine | Certified | Brand test only |
| Fluoride | Brand test only | Brand test only |