The Ametek Pentek P5 American Plumber W5P Whole House Filter Cartridge removes extra fine sand dirt silt rust and scale particles from your household water. W5P is also known as part number P5 by Culligan Ametek Pentek and US Filter.

The Pentek CW-F replacement whole house water filter takes extra fine sand dirt silt rust and scale particles out of your water to improve the flow of water and performance of appliances.