Maymom 3rd Gen Thread Changer or Bottle Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible w Medela Bottle, Ameda Bottle, Lifefactory Bottle, Dr. Brown Narrow; No Leak, No Fallen Bottle

Maymom 3rd Gen Thread Changer or Bottle Converter; Allow Spectra S1 S2 Pump Wide Mouth Flange Compatible w Medela Bottle, Ameda Bottle, Lifefactory Bottle, Dr. Brown Narrow; No Leak, No Fallen Bottle

Maymom 17mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve

Maymom Pump Parts Compatible with Spectra S1 S2 9 Plus Breastpump Replace Backflow Protector Membrane Duckbill Valve Tube Not Original Spectra Replacement Pump Parts