Photo 1 of PUMPMOM-US Replacement Duckbill Valves and Backflow Protector for Spectra, Compatible Pump Parts for Spectra S1 S2 9 Plus and SG (Not Original S2 Accessories)

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Photo 1 of PUMPMOM-US Replacement Duckbill Valves and Backflow Protector for Spectra, Compatible Pump Parts for Spectra S1 S2 9 Plus and SG (Not Original S2 Accessories)Photo 2 of PUMPMOM-US Replacement Duckbill Valves and Backflow Protector for Spectra, Compatible Pump Parts for Spectra S1 S2 9 Plus and SG (Not Original S2 Accessories)