Heatless Modular Desiccant Air Dryers Maximum Flow Rate 21 cfm Voltage 120V Phase Single Maximum Operating Pressure 217 psi Maximum Operating Temperature 122 Degrees F Air Inlet Size 1/2 in Air Inlet Type NPT Full Load Current 0.7 A ISO Class 1 2 Dew Point -40 Degrees F Pressure Drop 6 psi Air Outlet Size 1/2 in Air Outlet Type NPT Bracket Kit Included No Drain Included Yes