Maymom makes a Wide RANGE of AFTERMARKET PUMP PARTS COMPATIBLE with Medela, Spectra, Ameda, Avent, Hygeia breastpumps including flange, tubing, duckbill valve, backflow protector (short stem, long stem and medium stem), collection bottle, breastshield converter, milk storage bag adapter, and various kinds of adapters to bridge different systems of name brand breastpumps. All available on Amazon.
Disclaimer:
Maymom is an independent company. It is not affiliated with Spectra.