Photo 1 of PumpMom-us Backflow Adapter for Spectra S1 S2 Pump to Use Medela Flanges and Bottles, Connects Between Medela Breastshield and Spectra Backflow Protector (Not for Flex Connectors)

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Photo 1 of PumpMom-us Backflow Adapter for Spectra S1 S2 Pump to Use Medela Flanges and Bottles, Connects Between Medela Breastshield and Spectra Backflow Protector (Not for Flex Connectors)Photo 2 of PumpMom-us Backflow Adapter for Spectra S1 S2 Pump to Use Medela Flanges and Bottles, Connects Between Medela Breastshield and Spectra Backflow Protector (Not for Flex Connectors)