Cradle & Care
Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange

Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 S2 Breastpump Not Original S2 Accessories Not Original Spectra Replacement Duckbill Valve and Flange

4.7 (6,042 Amazon ratings)$18.98
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The verdict

Maymom replacement flanges and valves are generally well-made, compatible, and available in varied sizes that can improve comfort and output, though a few users experienced fit or quality issues.

What parents love

  • compatible with spectra pumps
  • available in varied sizes
  • improved comfort and output
  • durable and good quality
  • clear instructions and easy to use

Worth knowing

  • sizing chart unclear or confusing
  • flange loosens during pumping
  • rough edges or flimsy feeling

Specs

Bpa Freeyes
MaterialPlastic, Silicone
Quantity2 flanges + 2 valves
Weight Oz2.82
Dimensions In5.51 x 3.54 x 3.15
Flange Size Mm19
Dishwasher Safeyes
Compatible PumpsSpectra S1, Spectra S2, Spectra 9 Plus
Compatible BottlesSpectra wide-neck, Avent, Maymom wide-mouth

How we read it: distilled from 6,042 Amazon reviews, last checked July 24, 2026. We carry no affiliate links and no brand pays to be featured — here's how we work.

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