Maymom valve compatible with Spectra Pump, S1, s2, S1 Plus, S2 Plus, Synergy Gold, Portable, Avent Comfort Pump; Also suitable for IKare pump

NOT for Avent ISIS pump

BPA free, dishwasher safe

NOTE: Compatible with Spectra S1 and S2 flanges, the valve fit INSIDE of the hole, not OVER the hole

A side stem for pulling the valve off the flange