Maymom Flange Adapter Compatible with Spectra S2, S1, Most Medela Breastshield; Connects Pump in Style and Backflow Protector; 2 Valve to Replace Duckbill

Maymom flange adapter to connect between a spectra backflow protector and Maymom breastshield. Also connects between medela breastshield connectors and spectra backflow protectors. Maymom duckbills for spectra s1 s2 pumps. Contains 2 duckbill valves for Medela and Spectra. Work with Spectra S2, Spectra S1, Spectra 9 Plus, Spectra Dew 350 and Medela breastpumps EXCEPT Medela Freestyle, Sonata and Swing-maxi. Made by maymom. NOT original Medela pump parts. NOT original Spectra pump parts. Work with Spectra S2 accessories One duckbill valve can replace one Medela valve and one Medela membrane. No extra membranes are needed . Fewer pump parts to wash, and assemble. Replace Spectra duckbill valve. Replace medela valve. SAME suction power as OEM valves. Compatible with Spectra Flange, Medela breastshield, and maymom breastshield. DO NOT contain BPA. Clean in water steam or boiling water before use. Comply with EU and USA FDA regulations for materials that contact food. Tested by independent labs for quality and safety.