- Designed for Momcozy M9 Pumps – Genuine replacement flange inserts specially designed for the Momcozy Mobile Flow M9 and M9 Upgrade wearable breast pumps.
- Improves Pumping Comfort – Helps achieve a better fit for your nipple size, reducing discomfort, rubbing, and excessive squeezing during pumping sessions.
- Enhances Pumping Efficiency – Properly fitted flange inserts can support a more comfortable and effective milk expression experience.
- Food-Grade Silicone Material – Made from soft, BPA-free, food-grade silicone that is safe for contact with breast milk.
- Authentic Momcozy Replacement Parts – Original Momcozy accessories designed to maintain compatibility and performance with compatible M9 breast pumps.
- Easy to Clean – Can be washed with warm soapy water after each use and rinsed thoroughly for convenient daily maintenance.
- Heat-Safe Sterilization – Suitable for cleaning and sterilization at temperatures up to 100°C (212°F) for 5–10 minutes.
- Secure & Comfortable Fit – Helps create a better seal and pumping experience when matched to the correct nipple size.
- Durable for Daily Use – Flexible silicone construction designed to withstand regular cleaning and everyday pumping routines.
- Convenient 4-Piece Pack – Includes four flange inserts, providing replacements or spares for continued use.
Safety information
1. The expected service life of the washable parts is 1-3 months. lt is recommended to replace the washable parts after long-term storage or before pumping for your next child.
2. Please replace the parts in time if the they become deformed or yellowed after a long time using. *Our flange inserts only suitable for 24mm flanges, not suitable for 27mm flanges or other size.
3. After each use, clean the replacement pump parts with warm soapy water (104-140℉) and rinse them thoroughly.
4. Using coconut oil or nipple butter can reduce friction and make them easier to use.
Cleaning and Sterilizing Washable Parts
1. Clean with soapy water (104-140℉) for 3-5 minutes.
2. Use boiling water/steam/sterilizationpot for sterilization. 212℉ (100℃) for 5-10 minutes is required.
*Washable Parts: Duckbill Valve, Flange & Flange Insert, Diaphragm, Milk Collector, Flange Cover

