Portable Heater Direct Fired Dual Fuel Ductable 250 000 BtuH Output Heating Area 12 500 Sq. ft Fuel Rate 2.6 GPH LP 255 CFH NG Voltage 120 60 Hz 5 Amps AC Height 36 in Width 31 in Length 45 in 2766 CFM Cord Length 12 in 5-15 NEMA Plug Configuration Built-In Features Dual Fuel Wheels Lifting Hook Ductable Up To 50 Ft Safety Features Overheat Limit Air Switch Flame Sensor Meets ANSI Z83.7.A 2000 CSA