2x 21mm Flange Kit & Silicon Duck Bill Valves Breast Pump Parts, Spectra S1/S2/9
2x 19mm Elvie Breast Pump and Elvie Stride Flange Nipple Cushions Insert
Breast Pump Parts Compatible with Spectra S1,S2,S9 Plus, Replacement Kit for Spectra Pump Parts 2PCS Include 19mm Flange, Duckbill Valve, Tube,Bottle, Backflow Protector, Not Original Accessories
4Pcs Flange Inserts for Breast Pump,17mm and 19mm Flange Insert,Replacement Breast Pump Flange for Momcozy S9/S9Pro/S12/S12Pro Medela/Willow
Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Breastpump Not Original Spectra S2 Accessories Not Original Spectra Pump Parts Replace Spectra Duckbill Valve and Flange
Nenesupply Compatible 19mm Flange and Duckbil Valves for Spectra S1 Spectra S2 Breastpump Not Original Spectra S2 Accessories Not Original Spectra Pump Parts Replace Spectra Duckbill Valves and Flange
