Product Overview: The Momcozy Duckbill Valves & Silicone Diaphragm is a replacement set designed to maintain optimal suction and performance for the Momcozy M5 wearable breast pump. Key Features: ‣ Ensures efficient milk expression by maintaining strong suction. ‣ Made from BPA-free, food-grade silicone for safe and hygienic pumping. ‣ Easy to clean and replace for long-term use. Specifications: ‣ Material: BPA-free silicone ‣ Size: Standard