A. O. Smith AO-US-200 2-Stage Under Sink vs Aquasana Claryum Direct Connect
The A. O. Smith AO-US-200 2-Stage Under Sink and Aquasana Claryum Direct Connect are certified for the same contaminants we track. Replacement filters and water for 2 people cost about $168 a year on the A. O. Smith AO-US-200 2-Stage Under Sink and $184 on the Aquasana Claryum Direct Connect; they cost $140 and $250 to buy.
| A. O. Smith AO-US-200 2-Stage Under Sink | Aquasana Claryum Direct Connect | |
|---|---|---|
| Type | Under-sink filter | Under-sink filter |
| Price | $140 | $250 |
| Filters + water a year (2 people) | $168 | $184 |
| Filter cost per gallon (rated life) | 17¢ | 12¢ |
| Gallons per day | — | — |
| Pure to drain | — | — |
| Installation | diy | diy |
| PFAS | Certified | Certified |
| Lead | Certified | Certified |
| Chlorine | Certified | Certified |
| Chloramine | Certified | Certified |
| Mercury | Certified | Certified |
| Microplastics | Certified | Certified |
| Cysts | Certified | Certified |
| VOCs | Certified | Certified |