Filter/Regulator/Lubricator Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 28 cfm Maximum Operating Pressure 150 psi Filter Rating 5 micron Filter Bowl Material Polycarbonate Filter Bowl Capacity 0.6 oz Lubricator Bowl Capacity 0.6 oz Drain Type Manual Overall Width 3 1/8 in Series D08 Adjustment Mechanism Knob Adjustment Mechanism Material Acetal Air Outlet Size 1/4 in Air Outlet Type NPT Body Material Aluminum Drain Included Yes Filter Bowl Guard Included Yes