Brand: NITRA Item: Distribution block For Use With: Ax-32 series air prep components Working Fluid: Air or inert gas Inlet Port: 1/4in female NPT Outlet Port: (3) 1/4in female NPT NITRA pneumatic distribution block, 1/4in female NPT inlet(s), (3) 1/4in female NPT outlet(s). For use with Ax-32 series air prep components.