Portable Electric Ducted Tent Heater Overall Height 18 in Overall Width 11 in Overall Depth 30 in Voltage 200/240V AC 1 Phase Wattage Output 11 kW NEMA Plug Configuration Requires Cord Air Flow 475 cfm For Use With Structural Drying Sanitizing and Emergency Heating Heating Capacity 37 000 BtuH Heating Method Fan Forced Frequency 50/60 Hz Amperage 30A/50A Number of Speeds Variable