Mr. Heater Corporation Convection Heater, 75k to 200 BTU/HR 75,000 - 200,000 BTU per hour made for use with propane gas Heats up to 5,000 sq. Ft. And operates up to 29 hours on a 100 lb. Propane tank Standing pilot for increased safety No electricity required and fully assembled, ready to use Comes with 10 ft. hose and regulator and has a P.O.L. Tank connection