【Perfectly Fit for Upgrade M9】：1pcs Double-Layed Diaphragm（Both silicone-layer and plastic-layer include）and 1pcs duckbill valves（plastic layer and valve part is one-piece model)only compatible with Momcozy Upgraded Mobile Flow | M9, not for other breast pump. Made by BDICOVE, Not Mom cozy Original Parts.

【Same Suction Efficient as OEM】: we provide the same design and function of Our Diaphragm an Valves as original parts, perfectly works with your mom cozy m9 pumping, enjoy ensuring effective and efficient pumping sessions. these replacement accessories provide the equal same output as with original OEM.

【One-Piece Design-Valves】: Upgraded duckbill Valves is ONE-PIECE design which The plastic layer and valve components cannot be separated, Notice：Old vision the plastic layer and valve part can be dissemble. Upgraded One-Piece Valves is more easy to use and perfectly fit with your m9 pump, for draining milk to the bottom of the container and no milk backflow.

【Better Sealing&No-Leak】:The diaphragm parts help maintain the suction power of your breast pump,and two-Layer designing provide more strong suction power and reliable sealing, reducing leaks and ensuring smooth operation.These also help retain a strong suction to make pumping easier, faster, and more comfortable.

【Safe Food Grade Material】:M9 replacement accessories are made of soft silicone and PP materials, durable, BPA-free, long-lasting performance for your pumping, ensuring the highest level of safety, giving you peace of mind about your baby's milk.

【Easy To Use & Clean】: Wash parts after each use with warm soapy water and rinse well. Please use boiling water/steam, with a temperature of around 100°C (212°F). Notice: If you notice that your pump seems to have lost suction, you need to change pump parts, Diaphragm and duck valves need to be replaced every 3 months.