The Spectra Small Cap Bottle Adapter is used for attaching a standard narrow neck milk bottle to a Spectra Breast Shield. Convenient for moms with extra bottles and saves time instead of having to pour, wash, and clean the same bottle after each use. Included is one Spectra Small Cap Bottle Adapter. If youre double pumping, you will require two Spectra Small Cap Bottle Adapters. The Small-Cap Bottle Adapter converts any Spectra Flange into a standard narrow neck Flange. Included:

• One (1) Spectra Small Cap Bottle Adapter