DESCRIPTION CSA approved Diameter Flue: 6″ Diameter Air Outlets (Qty 1): 20″ Diameter Air Outlets (Qty 2): 16″ Diameter Air Outlets (Qty 3): 12″ Heating power Heat Input BTU/hr.: 408, 569.6 Heat efficiency: 84% Operating temperature Heat Rise: 126°F Capacity Sizing Air Heat ft³: 583, 538 Capacity Drying Size ft³: 195,007 Runtime: 19.2 hr. Air flow CFM: 3,760 Static Pressure W.C.: 0.5″ Length Max Duct 2 x 16 in Supply: 50′ Frequency: 60 Hz Voltage: 120V Current: 15A Fuel type: Diesel #2 Tank capacity Fuel: 57.1 gal. Fuel consumption Diesel/LP gal/h: 2.96 Dimensions: 84.6″L x 34″W x 53.3″H Weight Dry: 456 lb. Operating weight with Fuel: 860 lb. Will ship Canada Wide. This heater would be good for anyone working outside or any enclosed structure that needs heat.