Tier1 Replacement for Filtrete 3US-AF01 Standard Water Filter Cartridge

The 3US-AF01 Filtrete Comparable Undersink Filter Replacement Cartridge by Tier1 is designed to fit the 3US-AS01 Filtrete Undersink Filter System. Immediately following a quick and easy installation, this filter will reduce chlorine taste and odor, sand, soil, silt, rust and more for up to six months, depending on use and water quality. Tier1 water filters are built for performance and priced for value.