The Hayward replacement filter cartridge is designed for compatible Clearwater II, Posi-Clear, and ProClean filter applications where the internal cartridge element needs replacement. A filter cartridge is useful because it traps dirt and debris from circulating water, helping maintain cleaner water and dependable filtration performance.This replacement is especially useful when the original cartridge is torn, clogged beyond cleaning, collapsed, or no longer filtering effectively. Replacing the cartridge can help restore clearer water and more dependable filter performance without replacing the full tank.The CX760RE is a practical service part when a compatible Hayward filter needs a cartridge to restore dependable filtration. Hayward replacement filter cartridge Fits compatible Clearwater II, Posi-Clear, and ProClean filter applications Helps trap dirt and debris for cleaner water Useful when the original cartridge is worn or clogged Supports cleaner and more dependable filter performance