NSF 53 filters for total coliform
NSF, WQA, or IAPMO listing to NSF/ANSI 53 for Total Coliform. Certified is a listing, not a ranking.
Affiliate listings These are paid Amazon links. As an Amazon Associate, Tap and Well earns a commission from qualifying purchases if you buy. Rankings come from the matching engine (certification, flagged contaminants, annual cost), not from who pays more. Affiliate disclosure.
| Product | Certifier | Checked | From |
|---|---|---|---|
| Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200) | WQA | not yet | |
| Aquasana Claryum 3-Stage Max Flow Under Sink | NSF | not yet | |
| Aquasana Claryum 3-Stage Max Flow Under Sink | WQA | 2026-09-14 | |
| Aquasana OptimH2O Reverse Osmosis + Claryum | NSF | not yet | |
| Aquasana OptimH2O Reverse Osmosis + Claryum | WQA | 2026-09-14 | |
| Brondell Coral UC300 Three-Stage Under-Counter Filter | WQA | not yet | |
| Culligan US-EZ-4 EZ-Change Level 4 Under-Sink Filter | IAPMO | not yet | |
| Epic Smart Shield Inline Under-Sink Filter | IAPMO | not yet | |
| Frizzlife MK99 Under-Sink Direct-Connect Filter | IAPMO | 2026-09-14 | |
| LifeStraw Home 7-Cup Glass Water Filter Pitcher | WQA | not yet | |
| PUR PLUS Faucet Mount Filtration System | NSF | not yet |