Maytag® drinking water systems are independently tested and certified by NSF (National Sanitation Foundation) International against NSF/ANSI Standard 58 for the reduction of the claims specified on the Performance Data Sheet.  

NSF/ANSI 58

Product: M-550 Drinking Water Treatment Systems

Characteristics: Standard 58 establishes minimum requirements for the certification of POU drinking water systems. The scope of Standard 58 includes material safety, structural integrity, product literature, TDS reduction, and additional contaminant reduction claims. These additional contaminant reduction claims may include the reduction of cysts, barium, radium, 226/228, copper, hexavalent and trivalent chromium, arsenic, nitrate/nitrite, cadmium, and lead. 

Click here for the Performance Data Sheet.