Water filters certified to remove Radium
Radioactive; combined radium MCL 5 pCi/L. Bone cancer risk with long-term exposure. Naturally occurring in groundwater.
"Certified" means the model is listed in the NSF, WQA, or IAPMO public database as reducing Radium — not just "tested to" a standard.
Pick the path that fits you
You can start cheap with a no-install filter, or solve it permanently with an installed system that costs far less per gallon over time. Both options below are certified to reduce Radium.
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.
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.
30 consumer filters certified to remove Radium
Recognizable brands worth shopping. (229 models are certified in total, including commercial, dealer-installed, and OEM units — see the full registry.)
| Filter | Type | Capacity | Price | ¢/gal | |
|---|---|---|---|---|---|
Pentair GRO-350B NSF | REVERSE OSMOSIS | 750 gal | $37.9 | 5.1 | Buy |
Pentair GRO-475B NSF | REVERSE OSMOSIS | 750 gal | $37.9 | 5.1 | Buy |
Pentair GRO-475BP NSF | REVERSE OSMOSIS | 750 gal | $37.9 | 5.1 | Buy |
3M 3MRO301 NSF | REVERSE OSMOSIS | 1,500 gal | $659.99 | 13.8 | Buy |
3M 3MRO401 NSF | REVERSE OSMOSIS | 1,500 gal | $46.36 | 13.8 | Buy |
Pentair GRO-575B NSF | REVERSE OSMOSIS | 675 gal | $809 | 13.8 | Buy |
GE GNRQ18NBN NSF | REVERSE OSMOSIS | 260 gal | $63.87 | 24.6 | Buy |
GE GXRQ18NBN NSF/IAPMO | REVERSE OSMOSIS | 260 gal | $65 | 24.6 | Buy |
GE GXRV40TBN NSF/IAPMO | REVERSE OSMOSIS | 260 gal | $63.87 | 24.6 | Buy |
Geekpure ERO-175 NSF | REVERSE OSMOSIS | 3,850 gal | $37.99 | — | Buy |
iSpring HERO-385PLUS NSF | REVERSE OSMOSIS | 4,500 gal | $339.6 | — | Buy |
GE GXMH31H NSF | WHOLE-HOUSE | 570,000 gal | $20.99 | — | Buy |
GE GXSF30V NSF | WHOLE-HOUSE | — | $20.99 | — | Buy |
Waterdrop Ecodyne IDP30S NSF | WHOLE-HOUSE | — | $28.99 | — | Buy |
Express Water ProSeries 51PS-B NSF | WHOLE-HOUSE | — | $43.99 | — | Buy |
Pentair OmniFilter RO2050 NSF | REVERSE OSMOSIS | 1 gal | $21.69 | — | Buy |
A.O. Smith AORO-50 NSF | REVERSE OSMOSIS | — | $83.99 | — | Buy |
Geekpure M9 3HA RO 100GPD NSF | REVERSE OSMOSIS | — | $45.11 | — | Buy |
Geekpure M9 3HA RO 75GPD NSF | REVERSE OSMOSIS | — | $157.99 | — | Buy |
APEC M9 4HA RO 50GPD NSF | REVERSE OSMOSIS | — | $79.99 | — | Buy |
APEC M9 4SS RO 50GPD NSF | REVERSE OSMOSIS | — | $79.99 | — | Buy |
APEC M9 5HA RO 50GPD NSF | REVERSE OSMOSIS | — | $79.99 | — | Buy |
Geekpure M9 5HA RO 75GPD NSF | REVERSE OSMOSIS | — | $157.99 | — | Buy |
Pentair RO-2550 NSF | REVERSE OSMOSIS | — | $17.22 | — | Buy |
GE GXSH40V NSF | WHOLE-HOUSE | — | — | — | |
GE GXSH45V NSF | WHOLE-HOUSE | — | — | — | |
GE GXSHC40N NSF | WHOLE-HOUSE | — | — | — | |
Brita Pro BPLRO-35 NSF | REVERSE OSMOSIS | — | — | — | |
Pentair Everpure Residential ROM IV NSF | REVERSE OSMOSIS | — | — | — | |
Maytag DRINKING WATER SYSTEM MODEL M-550 NSF | REVERSE OSMOSIS | — | — | — |