Pleatco 50WH-F2L Replacement Cartridge for Vita Spa New Handle Model 2005 Version, 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 7-1/16-by-2-inches MPT with handle Made in the USA