AMERICAN-PLUMBER-W20CLHD20
American Plumber W20CLHD20 water filters can be used in all big blue, big clear, big boy, and heavy-duty water filter housings that use 20 inch L x 4.5 inch W water filters
The American Plumber W20CLHD20 water filter replacement cartridge is used to reduce sediment, sand, and silt down to 20 microns. Pleated Resin Impregnated Cellulose 20 Micron, 20-inch length. The American Plumber W20CLHD20 is made by Pentek and is the same filter as the Pentek S1-20BB water filter.