Filter-Regulator Filter Bowl Material Polycarbonate Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 172 cfm Filter Rating 5 micron Filter Type Coalescing Maximum Operating Pressure 150 psi Drain Type Manual Pressure Gauge Included Yes 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 Yes Drain Included Yes Drain Part Compatibility 104320