Hayward Filter Cartridge, 325 sq ft, 4-Pack | CX580XREPAK4 Adirondack Chair Apply the contents of the

Apply the contents of the two bottles according to the included instructions to your pool water

ensuring long-lasting resistance to heat and weather conditions

The W20 reduces manual vacuuming time and keeps debris from overwhelming skimmers and filters

No Front Lens Included: Ideal for replacing an existing spa light assembly without needing a new lens

Hayward Filter Cartridge, 325 sq ft, 4-Pack | CX580XREPAK4 Adirondack Chair Apply the contents of theWhat This Part Is Used For The Hayward CX580XREPAK4 Replacement Element 325 Sq Ft 4 Pack provides a complete set of cartridges for compatible 325 sq ft filter systems. It replaces all internal elements at once. Why This Part Matters Replacing the full cartridge set restores balanced filtration and proper flow. Mixed old and new cartridges can cause uneven pressure. A matched set supports consistent system performance. Key Features and Specifications