Brand: NITRA Item: Regulator Includes: Integral pressure gauge and locking adjustment knob and mounting bracket For Use With: Ax-68 series air prep components Pressure Range: 7-130 psi Working Fluid: Air or inert gas Inlet Port: 1in female NPT Outlet Port: 1in female NPT NITRA pneumatic regulator, 1in female NPT inlet(s), 1in female NPT outlet(s), 7-130 psi range. For use with Ax-68 series air prep components.