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🍼 Pump smarter, not harder — never miss a moment with leak-proof, safe essentials!
This 6-pack silicone duckbill valve and 4-pack diaphragm set is designed exclusively for Momcozy wearable breast pumps (S9, S12, S9Pro, S12Pro). Made from BPA-free, food-grade silicone, these replacement parts ensure a secure seal to prevent milk leakage and backflow. Lightweight and portable, they are dishwasher safe and steam sterilizable for easy cleaning. Perfect for busy moms seeking reliable, hygienic, and comfortable breastfeeding accessories that keep up with their lifestyle.





| ASIN | B0C4GFBXDR |
| Additional Features | Lightweight, Portable, Wearable |
| Best Sellers Rank | #4,134 in Baby Products ( See Top 100 in Baby Products ) #23 in Breast Pump Parts |
| Brand | afontoto |
| Brand Name | afontoto |
| Color | 6pcs Silicone Duckbill Valves & 4pcs Diaphragm |
| Customer Reviews | 4.5 out of 5 stars 682 Reviews |
| Included Components | Diaphragm, Valve |
| Included components | Diaphragm, Valve |
| Is the item dishwasher safe? | Yes |
| Manufacturer | AFONTOTO |
| Manufacturer Part Number | AF20221125 |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Material type free | BPA Free |
| Model Name | duckbill |
| Model Number | AF20221125 |
| Number of Items | 1 |
| Operation Mode | Electric |
| Operation mode | Electric |
| Product Style | Modern |
| Size | One Size |
| Special features | Lightweight, Portable, Wearable |
| Unit Count | 1 Count |
J**E
Perfect
These worked great and fit my pump perfectly
J**C
Works well
Compatible with momcozy s12
H**S
gut
bisschen zu lang, sonst top
F**A
⭐⭐⭐⭐⭐ Great replacement parts and good value
I’m really happy with this set of silicone duckbill valves and diaphragms. They are soft, flexible, and feel like good-quality silicone. The pieces fit properly and work well as replacement parts, which is very convenient when you need to keep extra ones on hand. The 8 duckbill valves and 4 diaphragms provide plenty of replacements, so I don’t have to worry about immediately purchasing another set. They are easy to install, remove, and clean, which is especially helpful with daily use. The silicone feels durable and holds up well after repeated washing and sterilizing. I also appreciate that the parts are lightweight and easy to store. Overall, this is a practical replacement kit with good quality, useful quantity, and easy maintenance. Definitely worth having as backups.
F**A
Perfect for momcozy s9
Better than the original honestly
Trustpilot
1 month ago
3 weeks ago