Certified to remove
Water filters certified to remove Turbidity
Cloudiness; itself not a health hazard but shields pathogens and signals treatment failure. Treatment-technique standard.
342
certified models
97
with current prices
"Certified" means the model is listed in the NSF, WQA, or IAPMO public database as reducing Turbidity — not just "tested to" a standard.
Two ways to fix it
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 Turbidity.
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.
90 consumer filters certified to remove Turbidity
Recognizable brands worth shopping. (342 models are certified in total, including commercial, dealer-installed, and OEM units — see the full registry.)
| Filter | Type | Capacity | Price | ¢/gal | |
|---|---|---|---|---|---|
3M DP390-M NSF | UNDER-SINK | 225,000 gal | $788 | 0.2 | Buy |
3M DP290-M NSF | UNDER-SINK | 150,000 gal | $521.89 | 0.4 | Buy |
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 |
Samsung Samsung NSF | REFRIGERATOR | 600 gal | $38.11 | 6.3 | Buy |
Samsung DA97-08006N-3 NSF | REFRIGERATOR | 600 gal | $38.11 | 6.3 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 300 gal | $34.99 | 11.7 | Buy |
Samsung DA97-08006C NSF | REFRIGERATOR | 316 gal | $37.59 | 11.9 | Buy |
Samsung DA97-08006C-1 NSF | REFRIGERATOR | 316 gal | $38.11 | 12.1 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 316 gal | $38.11 | 12.1 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 316 gal | $38.11 | 12.1 | Buy |
Doulton Ecofast Ultracarb Inline NSF | UNDER-SINK | 600 gal | $76 | 12.7 | Buy |
Doulton HIP NSF | UNDER-SINK | 600 gal | $76 | 12.7 | Buy |
Doulton QT Ultracarb Inline NSF | UNDER-SINK | 600 gal | $76 | 12.7 | Buy |
Doulton Ultracarb W9123053 NSF | UNDER-SINK | 600 gal | $76 | 12.7 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 300 gal | $38.11 | 12.7 | Buy |
LG 5231JA2006A-S NSF | REFRIGERATOR | 300 gal | $39.99 | 13.3 | Buy |
LG LG NSF | REFRIGERATOR | 300 gal | $39.99 | 13.3 | 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 |
Samsung Samsung NSF | REFRIGERATOR | 300 gal | $44.98 | 15.0 | Buy |
Samsung DA97-08006A-1 NSF | REFRIGERATOR | 300 gal | $44.98 | 15.0 | Buy |
Kenmore P1KB1 NSF | REFRIGERATOR | 200 gal | $30 | 15.0 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 300 gal | $49.99 | 16.7 | Buy |
Doulton Ecofast Biotect Ultra Inline NSF | UNDER-SINK | 600 gal | $199.99 | 18.3 | Buy |
Doulton HIP Biotect Ultra Inline NSF | UNDER-SINK | 600 gal | $199.99 | 18.3 | Buy |
Doulton QT1 Biotect Ultra Inline NSF | UNDER-SINK | 600 gal | $199.99 | 18.3 | Buy |
Doulton Kingfisher NSF | UNDER-SINK | 600 gal | $199.99 | 18.3 | Buy |
Doulton Biotect Ultra W9123050 NSF | UNDER-SINK | 600 gal | $109.99 | 18.3 | Buy |
Whirlpool EDR5RXD1B NSF | REFRIGERATOR | 240 gal | $48 | 20.0 | Buy |
Whirlpool PWF-NL240V NSF | REFRIGERATOR | 240 gal | $48 | 20.0 | Buy |
Whirlpool EDR3RXD1B NSF | REFRIGERATOR | 200 gal | $46.12 | 23.1 | Buy |
Whirlpool EDR3RXD1R NSF | REFRIGERATOR | 200 gal | $46.12 | 23.1 | Buy |
Whirlpool P1WB2 NSF | REFRIGERATOR | 200 gal | $46.12 | 23.1 | Buy |
Whirlpool W11311161 NSF | REFRIGERATOR | 200 gal | $48.63 | 24.3 | 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 |
Whirlpool EDR1RXD1B NSF | REFRIGERATOR | 200 gal | $50.8 | 25.4 | Buy |
Whirlpool EDR1RXD1R NSF | REFRIGERATOR | 200 gal | $50.8 | 25.4 | Buy |
Whirlpool EDR2RXD1B NSF | REFRIGERATOR | 200 gal | $53.99 | 27.0 | Buy |
Whirlpool EDR2RXD1R NSF | REFRIGERATOR | 200 gal | $53.99 | 27.0 | Buy |
Whirlpool P9WB2L NSF | REFRIGERATOR | 200 gal | $53.99 | 27.0 | Buy |
Whirlpool W11569863 NSF | REFRIGERATOR | 200 gal | $53.99 | 27.0 | Buy |
Samsung Samsung NSF | REFRIGERATOR | 300 gal | $84.7 | 28.2 | Buy |
Samsung DA97-06317A NSF | REFRIGERATOR | 300 gal | $84.7 | 28.2 | Buy |
Kenmore P1KB2 NSF | REFRIGERATOR | 100 gal | $30 | 30.0 | Buy |
Whirlpool W11256135 NSF | REFRIGERATOR | 100 gal | $48.63 | 48.6 | Buy |
Whirlpool W11602799 NSF | REFRIGERATOR | 100 gal | $53.99 | 54.0 | Buy |
Whirlpool W11569861 NSF | REFRIGERATOR | 100 gal | $53.99 | 54.0 | Buy |
Bosch WFS200KF NSF | REFRIGERATOR | 250 gal | $45.07 | — | Buy |
Bosch WFS210KF NSF | REFRIGERATOR | 150 gal | $45.07 | — | Buy |
Doulton HIP NSF | UNDER-SINK | 1 gal | $39.79 | — | Buy |
Berkefeld British Berkefeld SS2 Ultra Sterasyl NSF | PITCHER | 1 gal | $84 | — | Buy |
Doulton Biotect Ultra SI NSF | UNDER-SINK | 600 gal | $109.99 | — | Buy |
Doulton Biotect Ultracarb W9123070 NSF | UNDER-SINK | 600 gal | $76 | — | Buy |
Doulton Sterasyl W9120562 NSF | UNDER-SINK | 1 gal | $39.79 | — | Buy |
Doulton Ultra Sterasyl W9121226 NSF | PITCHER | 1 gal | $84 | — | 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 |
LG ADQ747937 NSF | REFRIGERATOR | 200 gal | $46.73 | — | Buy |
LG ADQ74793704 NSF | REFRIGERATOR | 105 gal | $46.73 | — | Buy |
Whirlpool WFS400MF NSF | REFRIGERATOR | 739 gal | $48.63 | — | Buy |
Bosch WFS410MF NSF | REFRIGERATOR | 739 gal | $45.07 | — | Buy |
Multipure Aquamini NSF | UNDER-SINK | 250 gal | $395 | — | Buy |
Multipure Aquaperform NSF | UNDER-SINK | 600 gal | $765 | — | Buy |
Multipure Aquaversa NSF | UNDER-SINK | 750 gal | $620 | — | Buy |
Whirlpool P8WB2L NSF | REFRIGERATOR | 200 gal | $50.8 | — | Buy |
Whirlpool W11602565 NSF | REFRIGERATOR | 100 gal | $50.8 | — | Buy |
Pentair OmniFilter RO2050 NSF | REVERSE OSMOSIS | 1 gal | $21.69 | — | Buy |
ZeroWater ZAS NSF | UNDER-SINK | 600 gal | $47.99 | — | 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 |
Whirlpool P1WB2L NSF | REFRIGERATOR | 200 gal | — | 13.9 | |
Multipure AQUALUXE NSF | UNDER-SINK | 500 gal | — | — | |
Multipure Aqualite NSF | UNDER-SINK | 450 gal | — | — | |
Multipure Aquapremier NSF | UNDER-SINK | 340 gal | — | — | |
Multipure CB-EXTRA NSF | UNDER-SINK | 340 gal | — | — | |
Samsung RWP70a15def NSF/WQA | UNDER-SINK | 330 gal | — | — | |
Samsung RWP90 a bc d e f gh NSF/WQA | UNDER-SINK | 330 gal | — | — | |
Samsung RWPa4 x 2bcde y NSF | UNDER-SINK | 330 gal | — | — | |
Samsung RWP50020BWW NSF | REFRIGERATOR | 330 gal | — | — | |
Pentair Everpure Residential ROM IV NSF | REVERSE OSMOSIS | — | — | — |