Flange for Spectra,1 valve, 1 membrane, 1 tubing adaptor
Instructions: before first use: Clean the product in boiling water or steam for 3-5mins. after every use: Clean it with hot water and then air dry. Sterilize it in boiling water or steam as needed. This product complies with FDA Standards for plastic that contacts food. Maymom series of breastpump accessories are designed and manufactured professionally with safety in mind. every batch is tested for safety – safe for mom and baby!