Single widemouth base connector.

The connector itself does NOT work. You need to purchase a shield to make up a flange. Maymom base connector compatible with PersonalFit Shields, Pumpin Pal Breast Pump Flange, Lansinoh ComfortFit Breast Pump Flanges, and Maymom MyFit shields 13-32mm.

• With the whole assembly of the base connector and shield (another purchase is needed), it is compatible with spectra s1 pump, s2 pump and spectra 9 plus pump. Suitable for spectra s2 accessory replacement. Handsfree pump bra friendly.

• Works with spectra wide mouth bottles, AVENT bottles, and Maymom wide mouth bottles. They are NOT compatible with OTHER wide mouth bottles.

• BPA free. Complies with US FDA regulation for plastics that contact foods. Tested by independent lab. Test report online available for reference. No problem with dishwasher top rack, steam cleaning.

• Made by Maymom, not original spectra pump parts, not original spectra S2 accessories. Maymom is not affiliated with Uzinmedicare, the trademark owner of spectra.