Our quartz Tube Heater brings a new look to outdoor heating. Made to withstand all commercial applications, its strengthened stainless steel (304) construction provides the durability needed all year round. Runs on a standard 20 or 30 lbs. propane tanks and puts out up to 42,000 BTUH, this heater will warm up to a 10 ft. diameter while providing an aesthtically pleasing look.