NSF/ANSI Standard 53
Health Effects (lead, VOCs, cysts, etc.)
NSF-53 is the gold standard for health-related contaminant reduction. Filters with this certification are tested and verified to remove specific health-related contaminants including lead, mercury, VOCs, cysts, and other harmful substances that pose health risks.
Key Contaminants Removed
Ideal For
- βRemoving health-hazard contaminants
- βLead protection for children
- βVOC and chemical reduction
- βMaximum health safety
Certification Focus: Health-related contaminant reduction
NSF-53 Certified Filters (12)
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Clearly Filtered
NSF Certified:
Flow Rate
0.5 gpm
Daily Production
100 gpd
Removes 7 contaminants:
Chlorine, Lead, Fluoride, PFAS, Pharmaceuticals +2 more

AquaTru
Classic
NSF Certified:
Flow Rate
0.04 gpm
Daily Production
600 gpd
Removes 23 contaminants:
83+, Lead, Fluoride, Strontium, Uranium +18 more

AquaTru
Carafe
NSF Certified:
Flow Rate
0.3 gpm
Daily Production
4 gpd
Removes 17 contaminants:
PFOA, PFOS, Chlorine, Lead, Fluoride +12 more

Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Removes 19 contaminants:
Nitrate, Copper, Zinc, Barium, Sulfate +14 more

Waterdrop
N/A
NSF Certified:
Flow Rate
1 gpm
Removes 5 contaminants:
Various, Chlorine, Heavy metals, Fluoride, Bacteria

Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
1,2 Dichlorobenzene, 1,2,4 Trichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos +17 more

Cloud
RO
NSF Certified:
Flow Rate
80 gpm
Daily Production
300 gpd
Removes 8 contaminants:
200+ contaminants, 200+, Chlorine, Manganese, Molybdenum +3 more

Waterdrop
G3 P800
NSF Certified:
Flow Rate
800 gpm
Daily Production
800 gpd
Removes 15 contaminants:
10+ contaminants, Fluoride, Lead, Arsenic, 1,000+ +10 more

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:
Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Cryptosporidium, Lead

PUR
NSF Certified:
Flow Rate
0.52 gpm
Removes 1 contaminants:
70+
About NSF-53 Certification
All filters listed on this page have been independently tested and certified by NSF International or WQA to meet the requirements of NSF/ANSI Standard 53. This certification ensures that these filters have been rigorously tested for their ability to reduce specific contaminants as claimed by manufacturers.
We recommend choosing filters based on your specific water quality concerns. You can check your local water quality report or test results to identify which contaminants are present in your water supply, then select filters certified to remove those specific contaminants.
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