Wearable Breast Pump S2 Pro Duckbill Valve*4

Perfect Compatibility: Exclusively designed to be fully compatible with eufy Wearable Breast Pump S2 and S2 Pro. Secure Anti-Backflow Design: Prevents milk from backing up and ensures strong suction. The precision slit stays tightly closed between pumps, safely directing every drop into the container. Food-Grade Soft Silicone: Made from durable, BPA-free, food-grade silicone, it is completely safe for breast milk contact. The snug fit offers comfort and efficient pumping. Easy to Clean and Sterilize: Wash with warm soapy water after every use. Gently clean the delicate valve tips with the included cleaning brush-avoid hard brushes to prevent damage. For deep cleaning, safely sterilize in boiling water or steam (up to 212°F / 100°C) for 5 - 10 minutes. Replacement Schedule for Best Results: To maintain strong suction and hygienic pumping, we recommend replacing the duckbill valves every 1 to 3 months, or sooner if you notice a drop in output or visible we