Maymom Backflow Protector Long Stem for Spectra S1, S2 and 9 Pumps

Long stem maymom backflow protector to fit between medela breast shield (flange) or medela personal fit connector or maymom flange and spectra s1, spectra s2 spectra 9 pumps Replaces spectra backflow protector and maymom's spectra yellow adapter Allows spectra pumps to remain a closed system Note: this backflow protector can't connect to spectra original flanges that use a backflow protector. please buy from as in b01breqfme for this purpose This part functions as "maymom's yellow adapter for spectra pumps"+"original spectra backflow protector"