Dyna-Glo RMC-FA40DGD Liquid Propane Forced Air Heater, 40000 BTU 40,000 BTU Heats up to 1,000 sq.ft. Adjustable Heat Angle One Hand Piezo Ignition Overheat Auto Shut-off Protection Includes 10 Hose & Regulator Sturdy, Rugged Construction