Brand: NITRA Item: Filter-regulator Includes: Integral pressure gauge, locking adjustment knob and replaceable 40 micron filter element and mounting bracket For Use With: Ax-32 series air prep components Pressure Range: 20-130 psi adjustable Working Fluid: Air or inert gas Inlet Port: 1/4in female NPT Outlet Port: 1/4in female NPT Bowl Material: Die-cast aluminum Drain Type: Automatic Bowl Guard: No Sight Gauge: Yes NITRA pneumatic filter-regulator, 1/4in female NPT inlet(s), 1/4in female NPT outlet(s), 20-130 psi adjustable range, automatic drain, die-cast aluminum bowl, sight gauge. For use with Ax-32 series air prep components.