Aqua Flo 26194-2 Carbon Block Replacement Filter Cartridge, 0.5-Micron, 2-Pack Similar to Pentek model CBC-10 155162-43 High dirt-holding tolerance maximizes utilization of the carbon block High porosity maximizes utilization of the carbon block Filter dimensions: 2.5-inches x 10-inches Item dimensions: 2.5-inch L x 10-inch H x 2.5-inch W