Filtration Media Certification

As a market leader in the water industry, NSF tests and certifies a wide range of filtration media products, including media designed for municipal water filtration, point-of-use drinking water treatment units and pool equipment.

Filtration Media for Municipal Drinking Water Systems

NSF/ANSI/CAN 61 evaluates the health effects of filtration media for municipal drinking water, including the sand, activated carbon and garnet media used to reduce particles from municipal water systems.

Filtration Media for Residential Drinking Water Systems

NSF/ANSI 42 evaluates the material safety of filtration media designed for residential drinking water systems, including activated carbon in point-of-use water filters.

Filtration Media for Recreational Water Applications

NSF/ANSI/CAN 50 evaluates the performance and physical properties of filtration media used in pools, spas and hot tubs, including sand for pool sand filters.

Certifying your filtration media products to NSF public health standards ensures regulatory compliance, and NSF-listed manufacturers receive many benefits from working with our team of technical experts, including: 

• A dedicated account manager who stays with you every step of the way 
• Quick testing in world-class laboratories, so that you can meet your business goals 
• Use of the NSF mark, which broadens market access and ensures your customer’s peace of mind