Flame King Forced Air Heater Portable Propane Tank Outdoor 60,000 BTUThis Heater Blower offers efficient temporary heat for up to 1,500 ft at places such as construction sites, agricultural buildings, industrial workspaces, remodeling jobs and so much more. Having no open flame, this heater consumes propane at a much slower rate giving you up to 8 hours on a single 20 lb cylinder, greatly reducing the number of trips to keep refilling your tank. Each Flame King heater undergoes rigorous safety, performance and quality