This pump comes with one of the attachments.  It has been tested and works great.

This Coleman Quickpump is the perfect solution for all your camping needs. With its 12V electric capability, it can quickly inflate and deflate your air mattresses without any hassle. The pump is designed by the trusted Coleman Company and is ideal for camping and hiking trips.

The pump is made in China and has a voltage of 12V DC. It is a great addition to your outdoor sleeping gear and is perfect for any sport or activity. The pump is specifically designed for air mattresses and has a model number of Coleman Quickpump. Get yours today and enjoy a comfortable camping experience without any worry!