Silicone diaphragm with strong suction power, let you get more breast milk when pumping
Packaged comes with 4pcs duckbill valve and 2pcs silicone diaphragm, they are need to be replaced regularly to keep your breast pump at the best performance and make the pumping to be more efficient
These replacement pump parts are made of high quality silicone, BPA-free, easy to clean, light weight, convenient to carry wherever you want