2 pk Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps; Shield (21 mm) Style 1

One set of Maymom flanges + one set of nenesupply flanges

Maymom 2x 21mm widemouth flanges compatible with spectra s1 pump, s2 pump and 9 pump. Suitable for mothers with a nipple diameter 21 mm (measured AFTER a pumping session). Suitable for spectra s2 accessory replacement.

BPA free; Complies with US FDA regulation for plastics that contact foods

Works 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 the original spectra company. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.

Dishwasher toprack safe; Steam safe sterilization;