What This Part Is Used For The Hayward CX2020RE Replacement Element - C2002 is a cartridge filter element for compatible C2002 systems. It captures debris and suspended particles during circulation. Why This Part Matters A clogged cartridge reduces water flow and raises filter pressure. Replacing it restores proper filtration and circulation. This supports clear water and balanced chemistry. Key Features and Specifications Manufacturer part number CX2020RE Replacement element - C2002 For Hayward C2002 filter systems Cartridge filter media component Supports debris removal and circulation Installation and Fitment Guidance Shut off the pump and relieve system pressure before opening the tank. Ensure the element is properly seated during installation. Confirm by manufacturer part number before ordering. About the Hayward Brand Hayward manufactures cartridge filtration systems for residential pools. Their replacement elements are widely used in routine service. Pool professionals rely on genuine Hayward cartridges for correct fit. Common Service Context Common during annual cartridge replacement. Also replaced after heavy debris loads or algae cleanup.