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.
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What’s New with NSF
Information Systems Security Association (ISSA) Welcomes NSF’s Brian Schultz into the 2026 Hall of Fame
September 10, 2026Lifetime achievement recognition honors exceptional leadership and lasting contributions to the cybersecurity profession.NSF Welcomes Nicole Parent Haughey to Board of Directors
September 10, 2026NSF's appointment of Nicole supports the organization's continued focus on long-term growth and transformation.
NSF Launches Independent Certification Standard for Compact Products
August 25, 2026New third-party certification verifies products cutting materials and shipping impacts while maintaining safety and performance.
CELSIUS® Products Earn NSF Certified for Sport® Certification
August 20, 2026CELSIUS® has earned NSF Certified for Sport® certification for select products, including the CELSIUS VIBES line, reinforcing the brand’s commitment to quality, transparency and consumer trust.