Cool weather just got a lot warmer with this commercial glass cylinder heater in black. The black quartz glass tube is sure to give your backyard style and warmth year-round. Not only does this tall outdoor heater emit 41,000 BTUs of warmth in a 8-10’ 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 thermocouple and anti-tilt safety devices, an easy access tank housing door, and electronic hidden ignition.