Culligan Venture gravity system (3 gal) vs Waterdrop King Tank gravity filter (2.25 gal)
Only the Culligan Venture gravity system (3 gal) is certified to reduce PFAS, lead, chlorine and chloramine and 1 more. Verdict: the Culligan Venture gravity system (3 gal) for broader certified protection (5 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 $323 a year on the Culligan Venture gravity system (3 gal) and $3 on the Waterdrop King Tank gravity filter (2.25 gal); they cost $275 and $230 to buy.
| Culligan Venture gravity system (3 gal) | Waterdrop King Tank gravity filter (2.25 gal) | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $275 | $230 |
| Filters + water a year (2 people) | $323 | $3 |
| Filter cost per gallon (rated life) | 158¢ | 1.3¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | none | none |
| PFAS | Certified | — |
| Lead | Certified | — |
| Chlorine | Certified | Brand test only |
| Chloramine | Certified | — |
| Fluoride | — | Brand test only |
| Microplastics | Certified | — |