S9/S12/S9 Pro/S12 Pro Pump Parts Replacement - Diaphragms and valves are compatible with S9, S12, S9 Pro, and S12 Pro breast pumps. Made of food-grade silicone, these parts are safe, soft, and odorless. Designed for use with wearable electric breast pumps, they meet the requirements for efficient pumping performance. Easy to clean – wash with warm soapy water after each use and rinse thoroughly. Compatible with steam sterilization, boiling water, or microwave steam bags. The diaphragm helps maintain a proper seal to prevent milk leakage, while the valve aids in directing milk flow into the container. Replace pump parts every 2-3 months, or as needed based on usage, suction performance, and wear. Color: Transparent Material: Silicone Package Contents: 8 x Valve 4 x Diaphragm Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting effects and monitor settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.