Electric Infrared Heater, Overall Length 31 in, Overall Width 10 in, Overall Depth 6 in, Phase 1, Voltage 208/240V AC, Wattage Output 3000W/4000W, Beam Pattern 45 Degrees , Element Type Quartz Lamp, Housing Color Silver, Housing Material Aluminum, Mounting Type Surface, Suspended, Grille Depth 1/2 in, Grille Height 4 1/2 in, Grille Width 31 in, Grille Material Coated Steel, Galvanized, Heating Capacity 13,648 BtuH, Heating Method Radiant, Housing Finish Powder Coated