Maymom MyFit 17mm Shield (2pc) Compatible With Spectra S2 S1 Accessories, Not Original Pump Parts or Flange
Maymom Compatible 24mm Flange & Duckbill Valve for Spectra S1 Spectra S2 Pumps
Maymom Compatible 24mm Flange & Duckbill Valve for Spectra S1 Spectra S2 Breastpump Not Original Spectra S2 Accessories Not Original Spectra Pump Parts Replace Spectra Duckbill, Replace Spectra Flange
Maymom Flange Adapter Compatible with Spectra S2, Spectra S1, Compatible with Most Medela Breastshield; Connects Pump in Style and Spectra Backflow Protector; 2 Valve to Replace Spectra Duckbill Valve
Maymom Wide Neck Pump Parts 17mm Compatible con S1 / S2 Includes Wide Neck Flanges Replaces Shields Compatible Accessories Not Original
One-Piece Breastshield w/Valve and Membrane for Medela Breast Pumps (17mm)
