A 20-gallon air compressor is big enough to use with ... with a very compact 20 x 18-inch footprint. There are tank and tool pressure gauges, a large regulator knob, and two standard 1/4-inch ...

When the unloader valve isn't working properly, you won't hear that telltale sound of compressed air blowing out of the tank when you turn ... pressure regulator and gauge from the pressure ...