The Vertical Converter is designed for a pump to screw in the top. The hexnut on the bottom will screw onto a keg coupler. The two prongs are designed for air line and beer line attachments. 7/8"-14 Thread (beer industry standard).
WARNING: This product can expose you to chemicals including nickel (metallic), which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.