Pleatco PJAN85-PAK4 Replacement Cartridge for Jandy Industries CL 340, Pack of 4 Cartridges 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 26-15/16-by-3-by-3-inches. Diameter- 7 1/8 inches Pleatco Advanced Point Bonded Filtration Fabric Made in the USA Includes 3,000 number phonebook, baby monitor and battery power backup