NENESUPPLYBackflow Protector Compatible with Spectra S2 Spectra S1 Breastpump Replace Spectra Pump Parts Replace Spectra Backflow Protector and Spectra S2 Parts

The end that connect to the tube are too short. So they came off and disconnect with the tube a lot. It’s disturbing. So I swapped back to the original spectra ones since they are working fine. I have to just use these as back up. They are usable but too short. No as good as originals