Pleatco PJ200S-M4 Replacement Cartridge for Jacuzzi Brothers, Sherlock 200 (MICROBAN), 1 Cartridge Replacement cartridge for jacuzzi brothers, sherlock 200 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-9483 and filbur FC-1403; made in usa; microban inhibits the growth of stain and odor causing microbes like bacteria and algea Measures 10-inches in diameter by 30-3/16-inches in length and 6-inches of bottom hole diameter