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-33 series air prep components Pressure Range: 20-130 psi adjustable Working Fluid: Air or inert gas Inlet Port: 3/8in female NPT Outlet Port: 3/8in female NPT Bowl Material: Polycarbonate Drain Type: Manual/semi-automatic Bowl Guard: Yes Sight Gauge: No NITRA pneumatic filter-regulator, 3/8in female NPT inlet(s), 3/8in female NPT outlet(s), 20-130 psi adjustable range, manual/semi-automatic drain, polycarbonate bowl, bowl guard. For use with Ax-33 series air prep components.