Maymom Wide Neck Pump Part for Spectra S1/S2 Pumps Includes Flange Not Genuine Replaces Shield (20mm Two Flange)

Contains TW flange. 2 x 20mm wide flange for Spectra S1 pump, S2 pump and 9 pump. Suitable for nuts with a nipple diameter mm (measured after a pumping process). Suitable for Spectra S2 accessory replacement. BPA free; complies with US FDA regulation for plastics that come into contact with food 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 an original Spectra Company. Maymom is not affiliated with Uzinmedicare, the trademark owner of Spectra. Top rack dishwasher safe; steam safe sterilization