Water Filtration Media
Independent certification of water filtration media is an important step in meeting public health regulatory requirements in most applications.
Independent certification of water filtration media is an important step in meeting public health regulatory requirements in most applications. NSF tests and certifies a variety of filtration media products, including filtration media used in municipal water filtration, drinking water treatment units and pool equipment.
Municipal Drinking Water
Filtration Media for Public Drinking Water/Municipal Water Filtration Treatment.
Residential Drinking Water
Filtration Media for Drinking Water Treatment Units.
Recreational Water
Filtration Media for Recreational Water Applications.
Discover NSF’s filtration media standards, including scopes and product types we can test and certify. Click here to learn more.
How NSF Can Help You
What’s New with NSF
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iNADO Partners with NSF to Support Members and Athletes
May 27, 2026iNADO is pleased to welcome NSF’s expertise and experience in support of its members and the athletes they serve
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May 20, 2026NSF’s Oakdale laboratory becomes the UK’s sole facility offering comprehensive BS 6920 and REG 31 testing, closing a critical drinking water safety gap.
Tangent® Materials Announces Industry First: Tangent PolySheet™ CB Earns Certification to NSF 537, Becoming the First PFAS-Free NSF Standard 51 Food Equipment Material
May 20, 2026New food-grade synthetic cutting-board sheet, engineered from the ground up without per- and polyfluoroalkyl substances (PFAS), establishes a new materialsafety benchmark for food-contact and food-equipment applications.