Infrared Quartz Electric Heater Overall Height Not Applicable Overall Length 33 in Overall Width 21 1/2 in Overall Depth 11 in Phase 1 3 Voltage 480V AC Wattage Output 7500 W Beam Pattern 30 Degrees Element Type Quartz Lamp Housing Color Silver Housing Material Stainless Steel Mounting Type Chain Permanent Recessed Surface Suspended Wall Grille Depth Not Applicable Heating Capacity 25 298 BtuH Heating Method Radiant Housing Finish Stainless Steel