Pleatco PAP150-4 Replacement Cartridge for Predator 150 - Pentair Clean and Clear 150, 1 Cartridge Replacement filter for pool and spa cleaning systems 50 Percent 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 Dimensions: 10-1/16 Inches D x 31-1/8 Inches L x 6 Inch D Top and Bottom Hole Made in the USA