The 3M Filtrete 3US-AF01 is the correct replacement water filter cartridge for the following filtration systems:
The 3M Filtrete 3US-AF01 Replacement Water Filter is an undersink water filter designed to fit the 3M Filtrete 3US-AS01 and 3US-PS01 and Whirlpool WHCF-SUF and WHCF-SUFC water filtration systems. The WHCF-SUF filter has been NSF/ANSI tested and certified for the reduction of chlorine taste and odor in drinking water and can also filter out sand, soil, silt, rust, and sediment. The 3US-PS01 filter is a genuine 3M Filtrete product and replaces previous part number WHCF-SRC.
3M Filtrete 3US-AF01 Replacement Water Filter specifications: