Vacuum Motor Bypass Tangential Discharge Blower Stages 3 Number of Speeds 1 Open Dripproof Enclosure 69.0 CFM @ 2-In. Orifice Vacuum (H2O Sealed) 67.6 Voltage 24VDC 1 Phase Max Amps 21.5 Max Air Watts 142 All Position Mounting Thermal Protection None Insulation Class A Ball Bearings Ambient Temperature 40 Degrees C Body Dia 5.7 In. Overall Height 7-13/16 In. Mounting Brackets Thermoset Intermittent Duty Average Life 500 hr.