Compatibility: Our breast pump duckbill valve and diaphragm replacement is compatible with Momcozy S12 Pro/S9 Pro.

Quality Material: Made of prime quality silicone material, the duckbill valves and silicone diaphragms are both soft and elastic, BPA-free.

Practical Application: Due to the good elasticity and softness of silicone diaphragm, it can easily fit the breast, bringing you a comfortable wearing experience. There is no gap on its top, which can effectively prevent leaks.

How to Clean: Clean breast pump replacement parts after each use with warm soapy water and rinse well(Please do not use a hard brush to scrub). Please use boiling water or steam 5-10 minutes.

What's in the box
1 x 6 Duckbill Valve
1 x 4 Silicone Diaphragm