Filter-Regulator Filter Bowl Material Metal Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 100 cfm Filter Rating 40 micron Filter Type Particulate Maximum Operating Pressure 200 psi Drain Type Manual Pressure Gauge Included Yes Body Material Aluminum Overall Width 2 11/16 in Air Outlet Size 1/2 in Air Outlet Type NPT Drain Included Yes Filter Bowl Capacity 6 oz