Ameda Standard size Pump Body, Breast Shield for Ameda pumps This is a BPA-Free replacement part for the HygieniKit, for use with all Ameda electric breastpumps, including Purely Yours, Elite, SMB, etc. Features: Standard size Pump Body/Flange 25mm (polypropylene, BPA-free) - 1 each Replacement part for the HygieniKit, for use with all Ameda electric breastpumps Can be used with the massaging Flexishield (21mm), sold separately. Please Yeste that the flanges are sold individually, so if you need two of them, put a 2 in the box.