Spectra to Medela Adaptor: How to Hack Your Spectra Breast Pump
Maymom Flanges for Spectra - Feed Well Co.
Amazon.com: Maymom Pump Parts Compatible with Spectra S2 Spectra S1 Spectra 9 Plus Breastpump, Incl 28mm Flange Valve Tubing Backflow Protector, Not Original Spectra Pump Parts or Original Spectra S2 Accessories :