Alexapure Pro gravity filter (Gen 2) vs Waterdrop King Tank gravity filter (2.25 gal)
The Alexapure Pro gravity filter (Gen 2) and Waterdrop King Tank gravity filter (2.25 gal) are certified for the same contaminants we track. Replacement filters and water for 2 people cost about $133 a year on the Alexapure Pro gravity filter (Gen 2) and $3 on the Waterdrop King Tank gravity filter (2.25 gal); they cost $280 and $230 to buy.
| Alexapure Pro gravity filter (Gen 2) | Waterdrop King Tank gravity filter (2.25 gal) | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $280 | $230 |
| Filters + water a year (2 people) | $133 | $3 |
| Filter cost per gallon (rated life) | 65¢ | 1.3¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | none | none |
| PFAS | Brand test only | — |
| Lead | Brand test only | — |
| Chlorine | Brand test only | Brand test only |
| Chloramine | Brand test only | — |
| Fluoride | Brand test only | Brand test only |
| Arsenic | Brand test only | — |
| Mercury | Brand test only | — |
| Microplastics | Brand test only | — |
| Cysts | Brand test only | — |
| VOCs | Brand test only | — |
| Bacteria and viruses | Brand test only | — |
| Uranium | Brand test only | — |