Description Maymom Silicone Membrane; Designed for Spectra S1 Spectra S2, 9 Plus Backflow Protector and Maymom Backflow Protectors, Long, Short and Medium (White, Orange, Magenta or Blue 2pc/each) If you have a preference for colour choice please state it in comments while ordering and we will try to accommodate it. Aftermarket silicone membrane for Maymom backflow protector (both short and long stem) and Spectra S1/S2 backflow protectors Change the silicone diaphragms regularly to optimize the performance of your breastpump Stronger material for improved performance
