ProCom PCFA175V, 175,000 BTU Portable Propane, LP Gas Construction Forced air Heater, 26 x 13 x 19 inches, Silver|Grays 125,000 to 175,000 BTU, Patented Adjustable Heat Output Includes 10ft Hose and Regulator, for use with 20 to 100 lb Propane Tank Agency Certified for Outdoor Use, Use on Combustible Flooring Commercial Grade with Top Mount controls, Ergonomical Stackable Design, Adjustable Height Stand, and Push Button Ignition Automatic Safety Shut-Off