Hobart 500548R 500i Reconditioned A-Stock AirForce New Inverter Design-Powerful cutting ability at half the weight of prior model (Air Force 400). Weighs only 27.8-Pound Multi-Voltage Plug (MVP)-Allows you to connect to common 120 or 230-Volt power receptacles without the use of any tools Post-flow Air Cooling-Cools the torch and tip after cutting, extending life of replaceable tip and electrode Fan-On-Demand-Runs only when needed reducing dust/debris pulled into unit Thermal Overload Protection-Built to withstand tough working environments. Rated for 35-Percent duty cycle at 104-Degree Fahrenheit