Dual low pressures ball valve style control for single air source (service air) use come standard with camlock fittings for turbo hose CLAW fittings available upon request and built in 10 psi./0.68 bar relief valves and 2-0-15 psi /1 bar glycerin filled pressure gauges ball valve used for inflation of 2 cushions,10 psi for use in load shifts without having to get out air compressor and control stand.