BALIME 4Pack Valve and Membrane Compatible with Medela Swing, Mini Electric Harmony Breast Pumps(Not Original Elvie Pump Accessories)

Contens: This pack includes 4 valves and 4 membranes. Compatible with Pump In Style Advanced, Symphony, Swing, Harmony (Manual and Mini Electric) Food Grade Silicone: Made from Food-Grade Silicone. Soft and BPA-free. Designed to be gentle on pump parts and safe for daily pumping sessions. Safe for Mom and Baby Upgraded Design: Redesigned membranes respond quickly to pressure changes, while angled valves help reduce trapped milk. Helps improve pumping efficiency and minimizes milk waste Easy Clean: These silicone parts are simple to rinse and can be washed with warm soapy water or placed in the dishwasher (top rack). Can be sterilized by boiling, steam bags, or dishwasher (top rack). Smooth surface with no hidden crevices, easy to keep clean and hygienic Valves: Replace every 2-4 weeks, Membranes: Replace every 2-8 weeks. Replace sooner if you notice reduced suction or decreased milk flow