Maymom Duckbill Valve Compatible with Momcozy S9/S12, Spectra Caracup, FEISIKE Cup 2011 Version, TSRETE; 4pc (Green, for Elvie Stride)

Replacement valves for Freemie Closed System Collection Cups; NOT for Freemie Open system. In this case, the duckbill will not fit the valve base.

Built to last. Maymom offers 3-month replacement warranty on this valve. Contact seller for replacement. Also, some batches of Freemie valve base is smaller than the other, this valve might not fit. Contact the seller for refund in this case.

Worn or torn valves may contribute to decreased suction and/or milk backing up in tubing

Made from BPA free material (silicone).

Also compatible with Momcozy S9/S12 pump, not original Momcozy duckbill valve