2 set For S18/S21 Electric Breast Pump Accessories Silicone Diaphragm Membrane Duckbill Valves Flange Horn Insert Milk Collector

Wearable Breast Pump Accessories, more fresh breast milk to baby, more sleeping time for mom.

Comfort & Skin friendly: these wearable breast pump parts are made of BPA free, 100% quality silicone which provides mom the maximum comfort breastfeeding experience.

Closed System, No Milk Backflow: the breast pump replacement parts are designed with dual channel anti-backflow, gas and milk separated completely, knocking over not pollute the motor, no milk spilling and waste.

Leakproof: anti-backflow design features on silicone diaphragm makes milk does not reflux, long use; anti-overflow design features on duckbill valve makes milk only goes up, clean and pollution-free.