NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems.

What does NSF 58 certified mean?

NSF/ANSI 58 is the American National Standard for point-of-use (POU) reverse osmosis (RO) systems. It was. developed by a joint committee with equal representation from regulators, manufacturers and end users.

What does NSF mean on water filter?

06.22.2016. Resources Water Filters. Product listings and certifications by the National Sanitation Foundation International (NSF International) are easily confused, which is why we thought it might be beneficial to explain how water filters earn this certification.