Photo 1 of 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Breast Pumps Replacement Not Original Spectra Replace Pump Parts

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Photo 1 of 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Breast Pumps Replacement Not Original Spectra Replace Pump PartsPhoto 2 of 18mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Breast Pumps Replacement Not Original Spectra Replace Pump Parts