35,000 - 65,000 BTU/Hr. 300 CFM Output Heating Area 1,250 sq. ft. Minimum Tank Size 20 lbs. Running time 7 hrs. high, 14 hrs. low (approx.) ETL Certified 1 Year Limited Warranty Rugged two-piece split barrel, designed to make cleaning and maintenance easier and safer. Ergonomic handle for easy transport. Recessed controls designed to reduce the risk of damage on the jobsite. Continuous electronic ignition is always present as a source of ignition for unburned fuel, reducing the ability for fuels to pool and collect in a dangerous manner.