Pleatco PJAN145-M Replacement Cartridge for Jandy Industries CL 580 (MICROBAN), 1 Cartridge Replacement cartridge for jandy industries cl 580 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-7482 and filbur FC-0820; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea Measures 7-1/8-inches in diameter by 32-7/8-inches in length and 2-1/8-inches of top and 3-inches of top and bottom hole diameters