Filter-Regulator Filter Bowl Material Polycarbonate Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 70 cfm Filter Rating 5 micron Filter Type Particulate Maximum Operating Pressure 150 psi Drain Type Automatic Pressure Gauge Included No Body Material Zinc Overall Width 3 in Series CB6 Adjustment Location Top Adjustment Mechanism Knob Adjustment Mechanism Material PBT Air Outlet Size 1/2 in Air Outlet Type NPT Drain Included Yes Drain Part Compatibility 44C844