Dura Heat, 50,000 BTU, Kerosene Portable Forced Air Heater, Heats Up To 1,200 SQFT, 5 Gallon Fuel Tank, Run Time Fuel Gauge, On/Off Switch, Professional Grade & Include UL Listed, Large Capacity Motors & Fuse Protected Electrical Systems, All Components Securely Fasten 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 1,000 BTU Kerosene, #1 & #2 Fuel Oil & Diesel, JP-8 & Jet-A Fuels.