40000 BTU propane forced air heater. Model: MH-40-GFA. 10 ft. hose and regulator included. Heat up well-ventilated construction sites, workshops, farms, or garages. Made of rugged steel for years of use. Variable BTU to efficiently heat-up well-ventilated spaces. Also included is the manual. Excellent condition, like new, slightly used. Cost new on eBay: $244.66.