Connect this good looking portable unit to your bulk propane supply and get hours of continuous heating. A weighted stepped base provides stability while making the heater visually attractive. Creating up to 50000 BTUs of warmth per hour it effectively warms a radius of up to 20 feet. Dependable fast starts are ensured with the electric piezo spark igniter. Control heat output with the variable gas valve knob. Choose from either propane or a natural gas hook up to allow you to place this unit anywhere you like. Available in black green or stainless steel finish. Order and put the heat right where you need it. Propane tank not included. The above item is shown in Black.Propane has a tendency to crystallize in weather below 40 degrees. Your heater may be used in this weather but it may not get as hot or run as efficiently. NO harm will be done to your heater if used in weather below 40 degrees.