momcozy 12Pcs Breast Pump Parts for S9 Pro S12 Pro S9 S12 Wearable Breastpump with Silicone Diaphragm and Duckbill Valve

12-piece replacement parts kit for momcozy S9 Pro, S12 Pro, S9, and S12 wearable electric breast pumps.

Includes 8 silicone duckbill valves and 4 diaphragms designed for compatibility with S9Pro / S12Pro / S9 / S12 systems. Parts are made from transparent food-grade silicone and BPA free.

Diaphragm function: helps the pump maintain a reliable seal to prevent milk leakage during operation. Duckbill valve function: drains milk into the container and prevents back-flow.

Material and comfort: soft-touch silicone provides gentle contact during pumping and supports consistent suction without irritation.

Care and sanitation: wash the duckbill valves and diaphragms after each use with warm soapy water, then rinse. Parts can be sanitized with water steam, boiling water, or microwave-steam bags at around 100°C (212°F). Replacement interval: every 2-3 months to maintain function.

Portability and storage: lightweight kit designed for use at home, in the studio, at the office, or in a baby bag, ensuring replacement parts are available wherever needed.