Yes they will work with the standard milton industrial plug. It is a great product, just pay for the air coupler once instead of the offshore japan stuff nickel and dime you to death.
HVLP fitting or coupler also called High Flow, style V or 7.2 profile. This fitting originated in Europe from SATA and other paint gun manufactures, then was brought over here for the paint applications. Prevost has a good coupler and plug for this high flow application.