Brand: NITRA Item: Valve manifold Material: Stainless steel Color: Silver Shape: Rectangular Working Fluid: Air or inert gas Maximum Operating Pressure: 3500 psi Inlet Port: (2) 3/8in female NPT Outlet Port: (4) 1/4in female NPT Number of Stations: 4 Mounting Hole Spacing: Standard NITRA pneumatic valve manifold, stainless steel, silver, rectangular, 3500 psi maximum operating pressure, (4) stations, (2) 3/8in female NPT inlet(s), (4) 1/4in female NPT outlet(s), standard hole spacing.