Replacement duckbill valves and silicone diaphragms designed to restore or maintain breast pump performance with reliable fit and stable suction. Key benefits Compatibility: Fits Zomee Z1 and Z2, NCVI 8782 and 8780, BabyBuddha hands breast pump, and Motif Twist Breast Pump. Use as direct replacements for worn or damaged parts. Restores pumping performance: Valve and diaphragm design matches original parts to reduce air leaks and backflow, helping the pump maintain consistent suction. Reduced backflow and improved flow: The silicone diaphragms seal the system to limit milk backflow, while duckbill valves support smooth milk flow and steady suction. Comfortable material: Made of transparent, soft silicone that is odor neutral and gentle on contact surfaces to help maintain comfortable pumping sessions. Easy maintenance: Simple to remove and as part of routine pump upkeep. Specifications and function Components: Duckbill valves and silicone diaphragms engineered to work together to prevent gaps, air leaks, and backflow. Performance focus: Designed to replicate the fit and function of original replacement parts so pumping output and suction behavior remain consistent. Material: Soft, transparent silicone for a snug seal and easy cleaning. Practical use scenarios worn valves and diaphragms to restore suction and reduce leaks after extended use. Keep a spare set in a pump bag for travel or when away from home to avoid interruptions to pumping routine. Use during regular maintenance to preserve pump performance and reduce the chance of milk backflow into pump tubing or motor. What to expect A set of replacement duckbill valves and silicone diaphragms intended to match original pump performance for the listed compatible models. Simple installation helps the pump to consistent operation without modifying the device.