NSF/ANSI Standard 42
Aesthetic Effects (chlorine, taste, odor)
NSF-42 certification ensures filters reduce aesthetic impurities that affect taste, odor, and clarity of water. These filters improve the overall drinking experience by removing chlorine, particulates, and other compounds that impact water quality aesthetically.
Key Contaminants Removed
Ideal For
- ✓Improving water taste and smell
- ✓Reducing chlorine in tap water
- ✓Basic aesthetic water improvement
- ✓General household use
Certification Focus: Aesthetic contaminant reduction
NSF-42 Certified Filters (19)
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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
![3MDW301[G]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F51NKtU9%2Bz%2BL._SX385_.jpg&w=3840&q=75)
Solventum Purification Inc.
3MDW301[G]
NSF Certified:
Capacity
10001 gal
Filter Life
33 mo
Flow Rate
0.75 gpm
Removes 4 contaminants:
Chloramine, Chlorine (Free), Chlorine (Total), Chlorine Dioxide
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
![CL10RO T/33[2]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F311V-w6WX%2BL._AC_.jpg&w=3840&q=75)
Omnipure Filter Co.
CL10RO T/33[2]
NSF Certified:
Capacity
1500 gal
Filter Life
5 mo
Flow Rate
0.5 gpm
Removes 3 contaminants:
Chlorine (Free), Chlorine (Total), Chlorine Dioxide
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
SpringWell
Futuresoft
NSF Certified:
Flow Rate
20 gpm
Removes 1 contaminants:
Hardness minerals
Waterdrop
WD-TK-A
NSF Certified:
Flow Rate
4 gpm
Removes 10 contaminants:
Lead, Chlorine, Fluoride, Chloroform, Total THMs +5 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
![K2586[4]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F41OHQKIYVSL._AC_.jpg&w=3840&q=75)
Omnipure Filter Co.
K2586[4]
NSF Certified:
Capacity
1250 gal
Filter Life
4 mo
Flow Rate
0.5 gpm
Removes 3 contaminants:
Chlorine (Free), Chlorine (Total), Chlorine Dioxide
PUR
NSF Certified:
Flow Rate
0.52 gpm
Removes 1 contaminants:
70+
![CL10RO T/28[2]](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F41ocJswEp4L._AC_.jpg&w=3840&q=75)
Omnipure Filter Co.
CL10RO T/28[2]
NSF Certified:
Capacity
1500 gal
Filter Life
5 mo
Flow Rate
0.5 gpm
Removes 3 contaminants:
Chlorine (Free), Chlorine (Total), Chlorine Dioxide
Solventum Purification Inc.
AP-DWS1000 LF
NSF Certified:
Capacity
6251 gal
Filter Life
21 mo
Flow Rate
0.6 gpm
Removes 3 contaminants:
Chlorine (Free), Chlorine (Total), Chlorine Dioxide
About NSF-42 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 42. 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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