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2pc Maymom Flange w/ Valve, Membrane, and Adapter: Narrow (Standard) Bottle Neck


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Maymom Flange w/ Valve, Membrane, and Adapter: Narrow (Standard) Bottle Neck for Spectra Breast Pumps S1, S2, M1, Spectra 9

  • One-Piece Breastshield (15mm, 17mm, 19mm internal diameter, specially designed for Sepctra Pumps; 1 Valves, 1 Membranes, 1 adapter.
  • Compatible with Spectra pumps S1, S2, M1, Spectra 9 having the back-flow protector.
  • Connects to Standard-sized bottles Connects to Standard-sized bottles incl all Medela, Ameda Bottles and small version of Spectra, Playtex, Gerber, Dr Brown etc; But NOT wide-mouth bottles like Wide/large version of Spectra. Please purchcase/Use a Standard-Wide bottle converter for Wide mouth bottles.
  • US FDA registered medical device (No. D192499); Complies with US FDA and EUstandards for containers that contact food and class II medical device; Test reports are online for your reference;
  • Retail poly-bag packed; sealed by the manufacturer.
  • Made of Bisphenol-A (BPA)/DEHP-free material and all components are steam safe for sterilization.


Proper flange sizing is the KEY to comfortable and efficient pumping!

We have gathered a list of amazing Lactation Consultants (IBCLCs) offering virtual flange-sizing visits: