Includes: (2) Spectra replacement duckbill valve - white
Compatibility: The Spectra duckbill valves are for use with the Spectra S2, S1, 9 plus, M1, Dew 350 pumps
Replacement part: This part is designed to replace the duckbill valve every 3-6 months
BPA/DEHP free: All of Spectra Baby USA storage containers and parts that come in contact with breast milk are BPA/DEHP free
Mommy owned: Spectra Baby USA is owned and run by registered nurses, board certified lactation consultants, and more importantly… by moms