EZ Air 4×4 PRO 4 Tire Inflate/Deflate System & EZ Air 4×4 4 Tire Inflate/Deflate System all come standard with a 1/4″ Industrial/Milton male plug, making it compatible with ARB and PowerTank fittings right out of the box. If you use a different air source, we’ve got you covered with the right adapter! Simply choose your air source from the dropdown list below. If you don’t see yours listed, reach out to us HERE, and we’ll help you find the right adapter for your compressor or air tank.