Breast Pumps Accessories, Duckbill Valve, Suitable for MOMMED S18/S21 Wearable Breast Pump,4 Pack Breast Pump Replacement

【Wearable Breast Pump Accessories】- Breast pump S18/S21 parts replace. 【100% Safe 】- BPA-free,Electric breast pumps parts is made of food-grade silicone which is very safe, soft, and odorless so you can feel completely at ease with your baby's milk. 【Easy to Install and Clean】- Recommends that you wash the pump parts after each use with warm soapy water and rinse well. 【High Efficiency】- A breast pump milk collector cup replacement kit can effectively help you improve efficiency. It is thoughtful as your replacement accessories. 【Just for Moms】- In order to avoid the lack of suction caused by aging parts, we recommend that you replace your breast pump parts every 3 months.