The Doulton W9223002 UltraCarb OBE Ceramic Filter fits 10" filter housings and utilizes a ceramic shell with a carbon block core to provide sub micron filtration of drinking water. The Doulton W9223002 is open on both ends (OBE), has the pore structure to remove fine particulates, bacteria, cysts, and turbidity. In addition, the ceramic shell is sliver impregnated to inhibit bacteria growth, making the filter self sterilizing and has a lead removal media. The UltraCarb OBE Ceramic Filter has a micron rating of 0.9, a flow rate of 0.9 gpm, and a 600 gallon capacity. Use the Doulton W9223002 UltraCarb OBE Ceramic Filter to remove turbidity, E.Coli, Cholera, Typhoid, Cryptosporidium, insecticides, herbicides, phenols, lead, and chlorine.