Brondell Circle RC100 vs Waterdrop D6
Only the Brondell Circle RC100 is certified to reduce lead, chlorine, fluoride and arsenic and 5 more. Verdict: the Brondell Circle RC100 for broader certified protection (9 vs 0 of the contaminants we track).
| Brondell Circle RC100 | Waterdrop D6 | |
|---|---|---|
| Type | Under-sink reverse osmosis | Under-sink reverse osmosis |
| Price | $450 | $427 |
| Filters + water a year (2 people) | $214 | — |
| Filter cost per gallon (rated life) | — | — |
| Gallons per day | 40 | 600 |
| Pure to drain | 0.5:1 | 2:1 |
| Installation | diy | diy |
| PFAS | — | Brand test only |
| Lead | Certified | Brand test only |
| Chlorine | Certified | Brand test only |
| Fluoride | Certified | Brand test only |
| Arsenic | Certified | Brand test only |
| Nitrate | — | Brand test only |
| Chromium 6 | Certified | — |
| Cysts | Certified | Brand test only |
| VOCs | Certified | — |
| TDS | Certified | Brand test only |
| Copper | Certified | — |