After market parts made by Maymom compatible with Spectra S1 and S2 pumps. 100% compatibility guaranteed. Made of NON-sticky, safe material that does not contain BPA or DEHP. Different material, so it WILL NOT pick up lint, pets' hair etc as easy as the original tube. 42 inches (longer than original Spectra tubing) in length. Two tubes per pack. Replacement tubing for spectra pumps that uses a backflow protector. Ideal replacement for spectra duckbill valve S2, spectra pump parts S2, spectra tubing replacement. .
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