12 Pack 8pcs Duckbill Valves and 4pcs Diaphragm Compatible with MomMed/TSRETE/MISSAA/Mumgaroo/NICEGREEN Life S21 Wearable Breast Pump Parts,S21 Bresat Pump Replacement Parts

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• 【Widely Applicable】：The duckbill valves and Diaphragm are compatible for S21/S18 wearable breast pumps, used for MomMed S21/S18,TSRETE S21,NICEGREEN LIFE S21,MISSAA S18/S21,Mumgaroo S21, and other most S21/S18 breast pump
• 【No-Gap,Non-Backflow】：Duckbill valve is designed in order to prevent back-flow of breast milk. the duckbill valves without gap on the top and keep it closed when not working, engineered to prevent air leaks and backflow, ensuring a strong, stable suction for more efficient pumping and peace of mind for busy moms
• 【Improved Pumping Efficiency】:The duckbill valves and diaphragms are designed to create a consistent, strong seal, promoting effective suction and smooth milk flow for a reliable and comfortable pumping experience every time
• 【Safe and Gentle】: Crafted from food-grade silicone, our duckbill valves are BPA-free, ensuring the safety of both you and your baby. The soft-touch material provides a snug fit, promoting efficient pumping without causing irritation or discomfort
• 【Easy to Clean&Durable】: Made for busy breastfeeding mothers, these silicone duckbill valves are easy to clean and maintain. Washing parts after each use with warm soapy water and rinse well with clean water. Our material can be sanitized with water steam, boiling water or microwave-steam bags, please use boiling water/steam with a temperature of around 100°C (212°F). We recommend cleaning pump parts immediately after each use and replacing them every 2-3 months to maintain optimal function