NSF 53 filters for total trihalomethanes
NSF, WQA, or IAPMO listing to NSF/ANSI 53 for Total Trihalomethanes. Certified is a listing, not a ranking.
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| Product | Certifier | Checked | From |
|---|---|---|---|
| Aquasana Claryum 2-Stage Under-Sink Filter (AQ-5200) | WQA | 2026-09-14 | |
| 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 | |
| AquaTru Classic Countertop Reverse Osmosis Purifier | IAPMO | not yet | |
| Brita Elite Faucet Mount Filter System (formerly Basic/Complete) | WQA | not yet | |
| Brondell Circle RC100 Reverse Osmosis System | WQA | not yet | |
| Brondell Coral UC300 Three-Stage Under-Counter Filter | WQA | not yet | |
| Clearly Filtered Water Pitcher | NSF | not yet | |
| Culligan US-EZ-4 EZ-Change Level 4 Under-Sink Filter | IAPMO | not yet | |
| PUR Basic Vertical Faucet Mount Filter System | IAPMO | not yet | |
| PUR Basic Vertical Faucet Mount Filter System | NSF | 2026-09-14 | |
| PUR PLUS Faucet Mount Filtration System | NSF | 2026-09-14 | |
| PUR PLUS Faucet Mount Filtration System | WQA | 2026-09-14 | |
| PUR PLUS Faucet Mount Filtration System | WQA | 2026-09-14 |