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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 : Baby
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Amazon.com : Maymom Widemouth Connector 2pc Compatible w Spectra S1 Spectra S2 Pump; Compatible with Medela PersonalFit Shield, Pumpin Pal Shield, Lansinoh Flange, Maymom MyFit Shields, MyFit Crater Shield : Baby
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Amazon.com : Maymom Flange Adapter Compatible with Spectra S1, Spectra S2, Compatible with Most Medela Breastshield and Bottles; Connects Between Maymom/Medela Breastshield and Spectra Backflow Protector : Baby
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Amazon.com : Nenesupply 6 pc Duckbill Valves Compatible with Medela and Spectra Pump Parts Use on Spectra S2 Spectra S1 Pump in Style Harmony Symphony Replace Spectra Duckbill Valves and Medela Valve :
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PumpMom Backflow Adapter for Spectra S1, Spectra S2 Pump to Use Most Medela Flanges and Bottles; Connects Between Medela Breastshield and Spectra Backflow Protector (Pumpmom Flange Adapter) - Walmart.com
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Medela to Spectra Hack | How to Use Medela Flange with Spectra Breast Pump - Living with Low Milk Supply
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