Ameda Purely Yours Breast Pump Reducing Flanges BPA Free, 22.5 Mm - 2 Pack
This reducing insert (22.5mm) fits inside the standard sized flanges (25mm) in all Ameda HygieniKit Milk Collection Systems and is designed to help maximize pumping when standard sized flanges are too large.Includes:Breast Shield Reducing Insert 22.5 mm - 2 Each.Doesn't come in Retail Packaging.