Ameda CustomFit Flanges, Size Medium & Large This product #17148P provides mothers with both Medium (28.5mm) and Large (30.5mm) size flanges in one box. For use with the Ameda HygieniKit for all Purely Yours, Elite, Lact-e, and SMB breast pumps. Includes Large flange (30.5mm, polypropylene, BPA and DEHP free) - 2 each Reducing Insert for Medium (28.5mm, polypropylene, BPA and DEHP free) - 2 each Ameda CustomFit Flange System   Flange Size    Nipple Tunnel Size    Product Description    Part# (BPA Free)    X-Small    21.0 mm    Flexishield Areola Stimulator    17211    Small    22.5 mm    Reducing Insert    625111    Standard    25.0 mm    Included with all Ameda Breast Pumps    625108    Medium    28.5 mm    Custom Flange Inserts, Fits into Large Flange 30.5mm    17148P    Large    30.5 mm    Custom Flanges    17148P    X-Large    32.5 mm    Custom Flange Inserts, Fits into Large Flange 36mm    17358    XX-Large    36.0 mm    Custom Flanges    17358 Â
