The Doulton W9123053 UltraCarb S 10" Ceramic Filter features a Sterasyl ceramic outer shell and carbon block core with ATS resin.This Ceramic Filter fits standard 10" filter housings and provides sub micron filtration of drinking water. The Doulton W9123053 is equipped with the pore structure to remove fine particulates, bacteria, cysts, and turbidity. The ceramic shell is silver impregnated to inhibit bacteria growth, making the filter self sterilizing. This filter has a short 3/4" long mount, a micron rating of 0.9, a flow rate of 0.9 gpm, and a 600 gallon capacity. The Doulton W9123053 UltraCarb S 10" Ceramic Filter removes turbidity, E.Coli, Cholera, Typhoid, Cryptosporidium, insecticides, herbicides, phenols, lead, and chlorine.