NSF 177 filters for chlorine
NSF, WQA, or IAPMO listing to NSF/ANSI 177 for Chlorine (residual). Certified is a listing, not a ranking.
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| Product | Certifier | Checked | From |
|---|---|---|---|
| Culligan ISH-100 Inline Shower Filter | IAPMO | not yet | |
| Culligan WSH-C125 Wall-Mount Shower Filter | NSF | not yet | |
| Culligan WSH-C125 Wall-Mount Shower Filter | IAPMO | 2026-09-14 | |
| Sprite High Output 2 Universal Shower Filter with 3-Setting Shower Head (HO2-WH-M) | IAPMO | not yet |