Search for NSF Certified Drinking Water Treatment Units, Water Filters

Searching for NSF Certified Drinking Water Treatment Units is quick and easy. If you have any problems, please contact NSF.

For more info, visit NSF Drinking Water Treatment Units Program.


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Reduction Claim:   For an explanation of contaminant reduction claims, visit NSF's Drinking Water site. Choosing one or more Reduction Claims within an NSF/ANSI Standard will provide a list of all products certified for ANY of the selected claims, and also will include a complete list of all other claims for which those same products are certified. Alternatively, if you would like to search for products that are certified for ALL selected claims, please check here:

Reduction Claims for Drinking Water Treatment Units - Aesthetic Effects
Bacteriostatic Effects Chloramine Reduction Chlorine Reduction
Filter First Nominal Particulate Reduction Taste and Odor Reduction
Zinc Reduction

Reduction Claims for Cation Exchange Water Softeners
Barium Reduction Efficiency Rated Hardness Reduction
Radium 226/228 Reduction

Reduction Claims for Drinking Water Treatment Units - Health Effects
1,1,1-Trichloroethane Reduction 1,1,2,2-Tetrachloroethane Reduction 1,1,2-Trichloroethane Reduction
1,1-Dichloroethylene Reduction 1,2,3-Trichloropropane 1,2,4-Trichlorobenzene Reduction
1,2-Dichloroethane Reduction 1,2-Dichloropropane Reduction 2,4,5-TP (Silvex) Reduction
2,4-D Reduction Alachlor Reduction Arsenic (Pentavalent)<=50 ppb Reduction
Asbestos Reduction Atrazine Reduction Benzene Reduction
Cadmium Reduction Carbofuran Reduction Carbon Tetrachloride Reduction
Chlordane Reduction Chlorine Reduction Chlorobenzene Reduction
Chloropicrin Reduction Chromium (Hexavalent) Reduction Chromium (Trivalent) Reduction
Chromium Reduction Cis-1,2-Dichloroethylene Reduction Cis-1,3-Dichloropropylene Reduction
Copper Reduction Cyst Reduction Dibromochloropropane Reduct.
Dinoseb Reduction Endrin Reduction Ethylbenzene Reduction
Ethylene Dibromide Reduction Filter First Haloacetonitriles Reduction
Haloketones Reduction Heptachlor Epoxide Reduction Heptachlor Reduction
Hexachlorobutadiene Reduction Hexachlorocyclopentadiene Reduction Lead Reduction
Lindane Reduction MTBE Reduction Mercury Reduction
Methoxychlor Reduction Microcystin Reduction Monochlorobenzene Reduction
Nominal Particulate Reduction O-Dichlorobenzene Reduction P-Dichlorobenzene Reduction
PCB Reduction PFOA Reduction PFOS Reduction
Pentachlorophenol Reduction Radon Reduction Selenium Reduction
Simazine Reduction Styrene Reduction Taste and Odor Reduction
Tetrachloroethylene Reduction Toluene Reduction Total PFAS Reduction
Toxaphene Reduction Trans-1,2-Dichloroethylene Reduction Tribromoacetic Acid Reduction
Trichloroethylene Reduction Trihalomethanes (TTHM) Reduction Turbidity Reduction
VOC Reduction Xylenes Reduction

Reduction Claims for Ultraviolet Microbiological Water Treatment Systems
Disinfection Performance, Class A Disinfection Performance, Class B

Reduction Claims for Reverse Osmosis Drinking Water Treatment Systems
1,1,1-Trichloroethane Reduction 1,1,2,2-Tetrachloroethane Reduction 1,1,2-Trichloroethane Reduction
1,1-Dichloroethylene Reduction 1,2,4-Trichlorobenzene Reduction 1,2-Dichloroethane Reduction
1,2-Dichloropropane Reduction 2,4,5-TP (Silvex) Reduction 2,4-D Reduction
Alachlor Reduction Arsenic (Pentavalent)<=300 ppb Reduction Arsenic (Pentavalent)<=50 ppb Reduction
Asbestos Reduction Atrazine Reduction Barium Reduction
Cadmium Reduction Carbofuran Reduction Chloropicrin Reduction
Chromium (Hexavalent) Reduction Chromium (Trivalent) Reduction Cis-1,2-Dichloroethylene Reduction
Cis-1,3-Dichloropropylene Reduction Copper Reduction Cyst Reduction
Dibromochloropropane Reduct. Dinoseb Reduction Ethylene Dibromide Reduction
Fluoride Reduction Haloacetonitriles Reduction Haloketones Reduction
Heptachlor Epoxide Reduction Heptachlor Reduction Hexachlorobutadiene Reduction
Hexachlorocyclopentadiene Reduction Lead Reduction Lindane Reduction
Methoxychlor Reduction Nitrate/Nitrite Reduction O-Dichlorobenzene Reduction
P-Dichlorobenzene Reduction Pentachlorophenol Reduction Radium 226/228 Reduction
Selenium Reduction Styrene Reduction TDS Reduction
Trans-1,2-Dichloroethylene Reduction Tribromoacetic Acid Reduction Trichloroethylene Reduction
Trihalomethanes (TTHM) Reduction Turbidity Reduction VOC Reduction
Xylenes Reduction

Reduction Claims for Shower Filtration Systems - Aesthetic Effects
Free Available Chlorine Reduction

Reduction Claims for Drinking Water Treatment Units - Emerging Compounds/Incidental Contaminants
Atenolol Reduction Bisphenol A Reduction Carbamazepine Reduction
DEET Reduction Estrone Reduction Ibuprofen Reduction
Linuron Reduction Meprobamate Reduction Metolachlor Reduction
Microplastics Reduction Naproxen Reduction Nonylphenol Reduction
Phenytoin Reduction TCEP Reduction TCPP Reduction
Trimethoprim Reduction
 

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