Perfect for Momcozy M9: Our duckbill valves and diaphragms provide the same suction performance as the original M9 pump parts, with no gap issues. They are fully compatible with the M9 wearable breast pump. (Note: External plastic components of the valve and diaphragm are not included.) Efficient Performance Like Original: These duckbill valves and diaphragms are precisely engineered to match the original specifications, delivering identical suction power and pump functionality. This replacement kit helps maintain optimal pumping efficiency and supports effective milk expression. Improved Sealing & Anti-Backflow: The silicone diaphragm enhances seal integrity to help prevent milk leakage. The silicone duckbill valve facilitates proper milk flow into the container and helps prevent backflow. Silicone Material: These M9 pump replacement parts are made from soft, durable, BPA-free silicone, ensuring long-lasting performance and the highest safety standards for breast milk expression. Easy to Use & Clean: Wash all parts after each use with warm, soapy water and rinse thoroughly. Sterilize by boiling or steam sterilization at approximately 100°C (212°F). Note: If reduced suction is observed, replace pump parts. Diaphragms and duckbill valves should be replaced every 3 months. Color: Pink Material: Silicone Package Contents: 4 x Duckbill Valves 2 x Silicone Diaphragms This package includes only the items listed above. Note: Color appearance may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.