●FILTER CARTRIDGE It plays a crucial role in maintaining the cleanliness and clarity of the pool water ●Compatibility: (Type IV, Type B) is designed for use with filtration pumps with a flow rate of 9,463 L (2,500 gallons) per hour. This ensures efficient and effective filtration for large swimming pools ●EASY TO CLEAN: To keep the pool water in perfect condition, clean the filter cartridge as needed using a garden hose