From the Manufacturer
Vapor torch kit for burning weeds, heating and thawing. Each Red Dragon Vapor Torch Kit includes everything necessary to operate except the propane tank. Each following propane torch kit features rugged, all steel construction and is designed to operate on propane vapor only. Kits are available with capacities from 50,000 to 500,000 BTU/hr. All Red Dragon Vapor Torch Kits are made in the U.S.A.