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
Maymom 21mm Flange and Duckbill Valve Compatible with Spectra S1, S2 and 9 Plus
Maymom Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Pumps
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
Flange Cover Duckbill Valves Silicone Diaphragm Replacement Duckbill Valve D BS
Flange Cover Duckbill Valves Silicone Diaphragm Replacement Duckbill Valve NEW
