After marketplace breast pump valve made via Maymom.
Maymom valve compatible with Avent Convenience Pump; Additionally appropriate for Spectra S1 and S2 pumps
NOT for ISIS pump
BPA free, dishwasher protected
NOTE: Compatible with Spectra S1 and S2 flanges, the valve are compatible INSIDE of the outlet, no longer OVER the outlet
A facet stem for pulling the valve off the flange