HeatStar's Heavy Duty Portable Direct Fired Forced Air Heater F170380 provides direct, temporary heat to various industrial / commercial workplaces up to 6,000 sq ft and operates 8 hours on a full tank. This multi-fuel heater features an flame / overheat safety shut-off for added security, a large 14 gallon fuel tank with drain plug and is rugged, convenient and ready to use. The F170380 has heavy duty 10" pneumatic tires / wheels for fast and easily portability. A heavy duty high output fan, larger 'glove-friendly' controls, continuous ignition, easy-off gas cap, easy read fuel gauge, primary safety / solid state control and built-in thermostat are also included. The F170380 is CSA Certified.