Usage Tips:Feature:1. Comprehensive Kit: Each package includes 8 duckbill valves and 4 silicone diaphragm, specifically designed for S32 breastfeeding pump. This complete set ensures you have all the necessary components to keep your pumping sessions efficient.2. Enhanced Pumping Efficiency: Duckbill valves are crafted to prevent air leakage and backflow, ensuring powerful and stable suction during each pumping session, allows for quicker and more effective milk expression.3. Safe Silicone Material: The components are made from food grade silicone, guaranteeing that your baby receives the purest milk. This high standard of material prioritizes safety but also ensures that the milk remains uncontaminated.4. Easy to Clean: Both the duckbill valves and diaphragm are designed for easy cleaning and are reusable, making them for daily use. With a simple cleaning process, you can quickly maintain clean and ensure that all parts are ready for the next session.5. User Friendly Design: The duckbill valves and silicone diaphragm can be effortlessly disassembled for cleaning and reassembly, making them ideal for everyday usage. This thoughtful design feature allows busy moms to manage their lactation needs.Specification:Item Type: Duckbill Valves DiaphragmMaterial: Liquid SiliconeApplication: for S32 breastfeeding pump.Package List:8 x Duckbill Valves 4 x Silicone Diaphragm