Filter/Regulator/Lubricator Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 90 cfm Maximum Operating Pressure 150 psi Filter Rating 5 micron Filter Bowl Material Polycarbonate Filter Bowl Capacity 3 oz Lubricator Bowl Capacity 3 oz Drain Type Manual Overall Width 9 5/16 in Series C28 Adjustment Mechanism Knob Adjustment Mechanism Material Acetal Air Outlet Size 1/2 in Air Outlet Type NPT Body Material Aluminum Drain Included Yes Filter Bowl Guard Included Yes