Aquasana Clean Water Machine vs Culligan Scout gravity system (2.25 gal)
Only the Aquasana Clean Water Machine is certified to reduce mercury, cysts and VOCs. Verdict: the Aquasana Clean Water Machine for broader certified protection (8 vs 5 of the contaminants we track). Replacement filters and water for 2 people cost about $147 a year on the Aquasana Clean Water Machine and $323 on the Culligan Scout gravity system (2.25 gal); they cost $400 and $230 to buy.
| Aquasana Clean Water Machine | Culligan Scout gravity system (2.25 gal) | |
|---|---|---|
| Type | Countertop filter | Countertop filter |
| Price | $400 | $230 |
| Filters + water a year (2 people) | $147 | $323 |
| Filter cost per gallon (rated life) | 24¢ | 158¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | none | none |
| PFAS | Certified | Certified |
| Lead | Certified | Certified |
| Chlorine | Certified | Certified |
| Chloramine | Certified | Certified |
| Mercury | Certified | — |
| Microplastics | Certified | Certified |
| Cysts | Certified | — |
| VOCs | Certified | — |