S9/S12/S9 Pro/S12 Pro Pump Parts Replacement - Diaphragms and valves are compatible with S9, S12, S9 Pro, and S12 Pro breast pumps for use with electric breast pumps. Made of food-grade silicone, these parts are safe, soft, and odorless. The replacement parts ensure optimal performance when using a wearable breast pump.Easy to clean: Wash the pump parts after each use with warm soapy water and rinse thoroughly. Compatible with steam cleaning, boiling water, or microwave steam bags.The diaphragm helps maintain a proper seal to prevent milk leakage. The valve assists in directing milk flow into the collection container.Replace breast pump parts every 2-3 months, or as needed based on usage, suction performance, and fit.Color: Transparent Material: Silicone Package Contents: 8 x Valve 4 x Diaphragm Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.