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Amazon.com : [6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White : Baby
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Amazon.com : BabyShown Flange Adapter Connector Adapter for Spectra S1/S2 Pump to Compatible with New Medela PIS MaxFlow Connector Medela Flange Medela Freestyle Flex Connector, 2pc : Baby
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