3M Aquapure AP904 Whole House Water Filter (Filtration) System (5621104) 1″ NPT
CORROSION RESISTANT: 304 stainless steel head can be installed on existing copper pipes in the home. It consists of a corrosion resistant material that provides long service life. Fitting Type: NPT Female.NSF STANDARD 42 CERTIFIED: Tested by one of the world’s most respected independent certification organizations that helps protect the world’s food, water, consumer product and environment..IDEAL FOR larger homes and is effective with both chlorinated (municipal) and non-chlorinated (well water) systems. The 3M AP904 Whole House Replacement Water Filter Cartridge is a high-quality water filtration solution designed for use in whole house water filtration systems. This filter cartridge is designed to effectively remove impurities and contaminants from your home's water supply, providing cle.