Filter-Regulator Filter Bowl Material Aluminum Air Inlet Size 1 in Air Inlet Type NPT Maximum Flow Rate 193 cfm Filter Rating 40 micron Filter Type Particulate Maximum Operating Pressure 220 psi Drain Type Semi-Automatic Pressure Gauge Included No Body Material Aluminum Overall Width 3 9/16 in Series Heavy Duty Adjustment Location Top Adjustment Mechanism Knob Adjustment Mechanism Material Acetal Air Flow Direction Left to Right Air Inlet Gender Female Air Outlet Gender Female