CONTENT: Mompmuir 6 Duckbill Valves & 2 Silicone Diaphragm, fittings are universal for most wearable breast pumps on the market. NO GAPS ON ORIGINAL PUMPS. SAME SUCTION AS OEM PARTS. EASY TO INSTALL AND REMOVE.
Silicone diaphragm keeps the breast pump suction strong enough and also helps the bottle stay sealed. The duckbill valve is designed to prevent backflow of breast milk.
BPA free, the silicone diaphragm piece and duckbill valve are made of food grade silicone.
Wash pump parts after every use with warm soapy water and rinse well. It can be sterilized with steam, boiling water or microwave steam bag.