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
NSF Launches Protocol 549 for Glyphosate Reduction Claims
October 14, 2026P549 is the first standard globally that validates glyphosate reduction performance of water filtration systems and products.
Cambium Analytica, an NSF Company, Opens New Lab in Traverse City, Mich
October 6, 2026Ribbon cutting debuts innovative 15,000-square-foot testing facility to support evolving needs of the food & supplement industries.
NSF Drives Industry Conversations at SupplySide Global 2026 - Las Vegas, Oct. 26–30
September 17, 2026NSF returns to SupplySide Global with expert-led training and trusted certification solutions. Visit Booth 4741 to discover how NSF and Cambium Analytica help brands build trust, increase consumer confidence and stand out in a competitive marketplace.
NSF Welcomes Hanjun Kwon, Managing Director, APAC
September 14, 2026Experienced business leader to drive sustainable growth, organizational development and operational excellence across the Asia-Pacific region.