Pleatco PJ200-4 Replacement Cartridge for Competition/Jacuzzi CFR/CFT-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 24-by-5-15/16-by-6-inches Made in the USA