Pleatco PJ200S-4 Replacement Cartridge for Jacuzzi Brothers, Sherlock 200, 1 Cartridge Replacement filter for pool and spa cleaning systems 50% 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 30-3/16-by-6-inches with handle Made in the USA