Filter-Regulator Filter Bowl Material Polycarbonate Air Inlet Size 3/8 in Air Inlet Type NPT Maximum Flow Rate 90 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 1/4 in Series 1500 Adjustment Mechanism Knob Air Outlet Size 3/8 in Air Outlet Type NPT Differential Pressure Indicator Included Yes Drain Included Yes Drain Part Compatibility 104425