PumpMom-us Backflow Protector and Tubing for Spectra, Replacement Breast Pump Parts for Spectra S1 Spectra S2 Spectra 9 Plus (Not Original Spectra S2 Accessories) is a Baby & Kids Feeding option for everyday use, business supply needs, resale shelves, or household stocking. Review product size, pack count, and shipping details before checkout.