The Hayward replacement filter cartridge is designed for compatible C200S filter applications where the internal cartridge element needs replacement. A filter cartridge is useful because it captures dirt and debris as water moves through the filter, supporting cleaner water and dependable circulation-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 clearer water and more dependable filtration.The CX200XRE is a practical service part when a compatible Hayward C200S filter needs a cartridge to restore dependable filtration performance. Hayward replacement filter cartridge Fits compatible C200S 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