Duraheat, 135,000 BTU, Kerosene Portable Forced Air Heater, With Thermostat, Heats Up To 3,200 SQFT, 10 Gallon Fuel Tank, 500 CFM, Digital Diagnostics & LED Temperature Indicator, Threaded Axle System, Flat Free Cold Weather Tires, 2 Lift Handles, Auxiliary Power Outlet, & Run Time Fuel Gauge, Convenient Drain Plug, On/Off Switch, Includes UL Listed Large Capacity Motors & Fuse Protected Electrical System, All Components Are Securely Fastened Into Chassis To Insure Long Life, Utilizes Heavy Duty Spark Technology For In Field Endurance, Multi-Fuel Capable, Has Been Factory Tested To Operate With 1K Kerosene, #1 & #2 Fuel Oil & Diesel, Jp-8 & Jet-A Fuels.