The Hayward Microban filter cartridge is designed for compatible cartridge-filter applications where the internal element needs replacement. A filter cartridge is useful because it traps dirt and debris from circulating water, helping maintain cleaner water and dependable filtration-system 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 filter efficiency and improve day-to-day water clarity.The CCX1750REM is a practical service part when a compatible Hayward filter needs a cartridge to restore dependable filtration performance. Hayward Microban filter cartridge Designed for compatible 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