NSF 44 filters for radium 226 + 228
NSF, WQA, or IAPMO listing to NSF/ANSI 44 for Radium 226 + 228. Certified is a listing, not a ranking.
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| Product | Certifier | Checked | From |
|---|---|---|---|
| GE 40,000 Grain Smart Water Softener | NSF | 2026-09-14 | |
| GE GXSH45V 45,100 Grain Water Softener | NSF | 2026-09-14 | |
| Whirlpool WHES40E 40,000 Grain Water Softener | NSF | not yet |