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 Hosts First External Review Panel for ‘NSF/KWTC 555’ with Key Asian Water Authorities
August 3, 2026
NSF Achieves European Accreditation for Drinking Water Product Certification Ahead of 2027 EU Deadline
July 22, 2026The ISO/IEC 17065 accreditation from BELAC complements NSF’s testing capacity, enabling end-to-end support for EU Drinking Water Directive (DWD) readiness ahead of the January 2027 deadline.
NSF Awards World-First Community Catch Certification to Orkney Crab Fishery
July 13, 2026Milestone certification sets a new benchmark for small-scale fishery sustainability and social responsibility.
NSF To Offer In-Person GMP and Regulatory Compliance Courses at SupplySide Global 2026
July 13, 2026NSF is offering a comprehensive GMP and regulatory compliance training program of classroom-based courses for dietary supplement industry professionals at SupplySide Global 2026.