Breast Pump Parts Set - Double (Both Sides)

Two complete sets for double pumping: 2 flanges (18mm), 2 duckbill valves, 2 backflow protectors, 2 tubes and 2 bottles. Fits Spectra S1, S2, 9 Plus and Synergy Gold pumps (compatible parts, not Spectra brand). New, for you to keep (not returned).