The Hayward tank body O-ring is designed for compatible XStream filter applications where the main body connection needs dependable sealing. An O-ring like this is useful because it helps maintain a cleaner seal between major filter sections, supporting more reliable performance and stronger assembly integrity.This replacement is especially useful when the original O-ring is flattened, brittle, cracked, or leaking. Replacing it can help restore the condition of the tank-body connection and improve confidence in the filter’s service condition.The CCX1000G is a practical replacement part for compatible Hayward XStream filters that need renewed body sealing and cleaner long-term performance. Hayward tank body O-ring Fits compatible XStream filter applications Helps restore dependable main-body sealing Useful when the original O-ring is worn or leaking Supports cleaner and more dependable filter operation