Desiccant Air Dryer ISO Class 2 Air Inlet Size 1/2 in Air Inlet Type NPT Maximum Flow Rate 25 cfm Overall Length 15 1/2 in Overall Width 18 1/4 in Maximum Operating Pressure 250 psi Dew Point -40 Degrees F Filter Rating 0.01 micron 3 micron 40 micron Filter Included Yes Number of Stages 4 Air Outlet Size 1/2 in Air Outlet Type NPT Application Dry Air Body Material Metal Bowl Capacity 9 oz 128 oz Bowl Material Metal Desiccant Material Silica Gel Drain Included Yes