The Hayward XStream tank lid with lock ring is designed for compatible 150 square foot filter applications where the upper tank closure needs replacement. A lid with lock ring is useful because it helps secure the filter tank, support dependable sealing, and allow access for internal maintenance when needed.This replacement is especially useful when the original lid or lock ring is cracked, leaking, damaged, or no longer locking correctly. Replacing both parts together can help restore dependable closure and simplify filter service.The CCX1500C is a practical service part when a compatible Hayward XStream filter needs a lid assembly to restore dependable performance. Hayward XStream tank lid with lock ring Fits compatible 150 square foot filter applications Helps restore secure tank closure and sealing Useful when the original lid or lock ring is damaged or leaking Supports cleaner and more dependable filter service