When the cool evenings come, don?t stop your outdoor activity. This beautiful commercial grade black glass tube outdoor propane heater is all that you need to keep entertaining outdoors year round. Not only does this tall outdoor heater emit 41,000 BTUs of warmth in a 10-15? diameter, it also provides your outdoor area with a beautiful ambience. Steel construction ensures that this unit is durable as well as functional. This patio heater includes thermcouple and anti-tilt safety devices, an easy access tank housing door, and wheels for easy mobility.