【18 pcs Value Full Set for M5 Pump】: These M5 Full Collector Cup Sets comes with Two Complete Sets and 10pcs 13/15/17/19/21mm flange insert, including:24mm double-sealed Flange*2pcs, Collector*2pcs,Duckbill Valve*2pcs, Diaphragm*2pcs, 13/15/17/19/21mm insert*2pcs(per size 2pcs,total 10pcs). Full M5 replacement accessories and an upgraded double-sealed flange increase the seal and grab every drop of milk for a better breast-pumping experience.

【Compatibility】: Two Full Set Milk Collector Cups only compatible with Momcozy M5 wearable breast pump, not for other model pump. The 10pcs flange inserts size kits for 24mm Flange/Shield of Most Pumps,reducing the 24mm shield nipple tunnel down to correct size. Made by IVARONAL, Not Mom cozy original accessories.

【Efficiency and Output as the Same OEM】: We have confidence that our M5 replacement accessories can be perfectly work with your M5 pump as the original part. And provide the equal same output as with original OEM.The silicone diaphragm enhance strong suction power and reliable sealing, directing milk to the bottom of the container for stable and efficient use. Utilize a closed system design to prevent any leakage of milk, saving milk and ensuring a clean pumping experience.

【5 Sizes Flange Insert, Comfort Pump】:Nipple size can vary throughout different breastfeeding stages, requiring different sizes of flange inserts for your breast pump. So We offers 5sizes 13/15/17/19/21mm(per size 2pcs) for selection, a wide range of sizes provides adaptability for the right fit throughout the breastfeeding journey.

【BPA free,Safe&Durable】: These breast pump parts are made of high-quality silicone and PP material, food-grade material, BPA-free, soft-flexible, sturdy, and long-lasting, ensuring the highest level of safety, giving you peace of mind about your baby's milk.

【Easy cleaning】： Washing Momcozy M5 pump parts after each use with warm soapy water and rinse well.Please use boiling water/steam, with a temperature of ≤100℃（212℉）for 5-10mins.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.