Dura Heat Forced Air Heater - 300,000 BTU, Propane, CSA CERT, Portable - GFA300DGD Dura Heat 300,000 BTU Forced Air Propane Heater, CSA Certified, Heats Up To 7,000 Sq Ft Area, Steel Construction & Brass Burner Nozzle - Outdoor Heaters for Garage, Jobsite & Construction Sites The Dura Heat Forced Air Heater is the... $548.00 Add to Cart Add to Wish list Compare