Filter-Regulator Filter Bowl Material Polycarbonate Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 172 cfm Filter Rating 0.3 micron Filter Type Coalescing Maximum Operating Pressure 150 psi Drain Type Manual Pressure Gauge Included No Body Material Aluminum Overall Width 2 3/4 in Series 2000 Adjustment Mechanism Knob Air Outlet Size 1/2 in Air Outlet Type NPT Differential Pressure Indicator Included No Drain Included Yes Drain Part Compatibility 104320