What is NSF

NSF International at a glance


" Our mission is to protect and improve global human health. Manufacturers, regulators and consumers look to NSF International to develop public health standards and certifications that help protect food, water, consumer products, and the environment. "


National Sanitation Foundation International (NSF International), founded in 1944, is a non-for-profits organization and aims to promote good sanitation. It gathers experts in sanitation, manufacturing and public health, who together establish a universal set of performance standards for products related to sanitation and public health, which includes water filters. NSF standards are recognized by American National Standards Institute (ANSI). Hence, business nowadays usually put NSF/ANSI seal on their products verified to conform to NSF standards


NSF/ANSI standards for drinking water treatment units

Standard 42 - Aesthetic Effects  
Minimize non-health related contaminants, which include chlorine, taste, odor and particulates.
Standard 53 - Health Effects 
Reduce health-related contaminants in drinking water. Minimize exposure to microbiological, chemical contaminants that may be harmful to human health, especially for those drinking well water.
Standard 58
A series of requirements addressing various aspects, which include material safety, structural integrity, TDS reduction performance, efficiency rating, recovery rating, contaminant reduction performance and information for end user.

Note: Standard 42&53 are not for reverse osmosis, ion-exchange or ultra-violet drinking water treatment units. Standard 58 is for reverse osmosis water filter system only.

Frizzlife & NSF International

Frizzlife MP99 and MK99 are tested by IAPMO R&T against NSF/ANSI 42 & 53.

Frizzlife WA-X Reverse Osmosis water filter system is also passed and certified WQA to NSF/ANSI 58.