Pleatco PC7-120-M Replacement Cartridge for Coleco F-120 with Core, Intex "A" (MICROBAN), 1 Cartridge Replacement cartridge for coleco f-120 with core and intex a models 50 Percent open ABS free flow cores maximize water flow through reemay filter media Antimicrobial end caps resist chlorine degradation and provide support to filter material for a longer life span Replaces unicel C-4607 and filbur FC-3710; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea Measures 4-1/4-inches in diameter by 8-1/8-inches in length and 2-inches of top and bottom hole diameters