This Dyna-Glo radiant single tank top heater provides an adjustable heat angled feature for the use of multiple directions as well as allows 9,000 BTUs to 15,000 BTUs in a 15 ft radius. It is designed to disperse heat in concentrated areas. Runtimes for a 20 lb. tank are 48 hours at 9,000K, 33 hours at 13,000K, and 28 hours at 15,000K. Propane Tank is Not Included., Lot of 1 MODEL NO -