Pleatco PJ80-4 Replacement Cartridge for Jazuzzi Brothers, Sherlock 80, 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 14-9/16-by-6-inches with handle Made in the USA