Aqua Flo 26202-2 Carbon Block Replacement Filter Cartridge, 5-Micron, 2-Pack Similar to Pentek model EP-BB 155548-43 High dirt-holding tolerance maximizes utilization of the carbon block High porosity maximizes utilization of the carbon block Filter dimensions: 4.5-inches x 10-inches Item dimensions: 4.5-inch L x 10-inch H x 4.5-inch W