The GAME air release valve is designed for compatible filter-pump system applications where trapped air needs to be released from the system. An air release valve is useful because it helps vent accumulated air, supporting smoother system startup and more dependable filtration performance.This replacement is especially useful when the original valve is leaking, sticking, cracked, damaged, or no longer venting correctly. Replacing the valve can help restore more dependable filter-system operation without replacing the larger assembly.The 4571 is a practical service part when a compatible filter-pump system needs an air release valve to restore dependable venting support. GAME air release valve Designed for compatible filter-pump systems Helps release trapped air from the system Useful when the original valve is damaged or leaking Supports cleaner and more dependable filtration performance