Leak Prevention Design: Breastfeeding pump membrane is engineered to create a seal, effectively preventing any milk leakage during pumping sessions. This duckbill valves ensures that the milk flows down to the container at the bottom.

Compatibility: These breastfeeding pump components are specifically designed for S21 wearable breastfeeding pump. Every part fully meets the operational requirements of your device, guaranteeing consistent and efficient performance.

Versatile Cleaning Options: These duckbill valves and silicone diaphragm can be cleaned in several effective ways, including steam cleaning, boiling water, or microwave steam bags. This adaptability in cleaning methods ensures a clean environment for your baby's feeding needs.