Duckbills for spectra s1 s2 pumps. Go around the hole type. Contains 2 duckbill valves for Spectra. Work with Spectra S2, Spectra S1, Spectra 9 Plus, Spectra Dew 350.*"Made by Maymom. NOT original Spectra pump parts. Work with Spectra S2 accessories.*Repl
Item# : SPM14750506632
Model # : J4SSQT9