Maymom Silicone Membrane; Designed for Spectra S1 Spectra S2, 9 Plus Backflow Protector and Maymom Backflow Protectors, Long, Short and Medium (Magentas)

After market silicone membrane for Maymom backflow protector (both short and long stem plus medium stem) and Spectra S1/S2 backflow protectors

PIINK color to go with your S2 spectra pump.

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