Spectra Breast Flange Single, 16mm, X-Small.Safe for mom and baby - the Spectra 16mm Breast Flange is specifically designed for Spectra Breast Pumps and is manufactured with BPA/DEHP-free materials. The 16mm flange increases milk flow by delivering the proper suction and seal all while ensuring comfort and efficiency during pumping sessions. If double pumping, you'll need to purchase two 16mm breast flanges.Features & Benefits: Helps obtain the proper suction Maximizes the optimum performance of your breast pump Ideal extra replacement part on hand for home or work Easy to clean Dishwasher safe BPA/DEHP free Prevents breastmilk contamination For use with the Spectra S1, S2, SG, and 9 Plus Breast Pumps. and compatible with Spectra Wide Neck Bottles 90-day Limited Manufacturers Parts WarrantyContains: One (1) Single 16mm Breast Flange