Easily installs on 1/2 in or 3/4 in main cold water line, reduces dirt, sand, silt, rust and scale particles to extend life of household fixtures and appliances. Constructed of opaque polypropylene for added durability. Dynamic sealing, self-cleaning O-ring prevent leaks and clogging. Use with #CW-MF, S1A, CW-F or P5 filter cartridges, #OR-34 replacement O-ring, #SW-2 filter housing wrench #UB-1 mounting bracket. NSF International tested and certified.
