Value Pack: Includes 5 pieces of duckbill check valves in color, offering great convenience for replacements and backups Compatibility: Specifically designed for pumps MCCVDB0 duckbill check valves to secure excellent fit and optimal Easy Replacement: Designed for quick installation and replacement without requiring special tools, making maintenance simple and easy Premium component: produced of for excellent wear resistance and long lasting durability in various pumping applications Each valves measures approximately 9.5x5.5x1cm Efficient Fluid Control: The duckbill check valves secure smooth fluid flows, leaks, and provide consistent pressure regulation for all your pumps maintenance needs, Manufacturer: uikios