American Plumber W20CLA Whole House Sediment Filter Cartridge 20 Micron Well Pump Irrigation (8) (8) AMERICAN PLUMBER W20CLA Pleated Cellulose Whole House Filter Cartridge Recommended for chlorinated water supplies 4 month filter life, 16000 gallon capacity depending on usage and water conditions FITS AMERICAN PLUMBER W34-PR, WC34-PR, WVC34 FLOW RATE: 12GPM ; 9.75" TALL x 2.5" Diameter