Amazon.com : Ameda CustomFit Breast Flanges Medium/Large | Includes (2) 30.5mm Breast Pump Flanges & (2) 28.5mm Flange Inserts | Fits HygieniKit and MYA Joy, MYA Joy Plus & Pearl Breast Pumps
Evenflo AdvancedFit Flange System, X-Large & XX-Large Sizes (33.0mm & 36.0mm) - 2 of each - Walmart.com
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Medela Breast Shield Flange For PUMP IN STYLE FREESTYLE SWING SYMPHONY SONATA | eBay
Spectra Breast Shield Set Large 28mm breast flange for 9Plus, S1, S2 and M1 breast pumps!