Maymom Pump Part Compatible with Spectra S1,S2 Spectra 9 Plus Breastpump; Incl Wide Mouth Flange (One flange-13mm Flange) Not Original Spectra Flange; Not Spectra Baby USA Parts

Contains ONE Flange. Buy two units if you pump on both breasts at the same time. 1x 13mm small widemouth flange for spectra s1 pump, s2 pump and 9 pump. Suitable for mother with a nipple diameter 11-12mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement.
Compatible with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.
Made by Maymom, not original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.
BPA free; Complies with US FDA regulation for plastics that contact food.
Dishwasher toprack safe; Steam safe sterilization