Certified to remove
Water filters certified to remove Radon
Radioactive gas; lung cancer risk (inhalation of water-released radon). No final federal MCL; proposed 300 pCi/L.
30
certified models
1
with current prices
"Certified" means the model is listed in the NSF, WQA, or IAPMO public database as reducing Radon — not just "tested to" a standard.
Top certified picks with prices
Prices shown are as of August 20, 2026 and may change — check Amazon for the current price. As an Amazon Associate we earn from qualifying purchases; some links are affiliate links and we may earn a commission at no extra cost to you. Disclosure.
26 consumer filters certified to remove Radon
Recognizable brands worth shopping. (30 models are certified in total, including commercial, dealer-installed, and OEM units — see the full registry.)
| Filter | Type | Capacity | Price | ¢/gal | |
|---|---|---|---|---|---|
eSpring 122940C NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring Model 122940VN NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940 NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940CA NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940CH NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940HK NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940J NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940K NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940M NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940SG NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940T NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940TH NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940 IN NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122941C NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 128212XY NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring Model 122941VN NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941 NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941CA NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941CH NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941J NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941K NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941T NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway 100186X NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway CXV5764 NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway CXV6425 NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring WTI1167X NSF | UNDER-SINK | 1,320 gal | — | — |