Fan/Heater Combination Discharge Direction Vertical Duct Diameter 4 in Duct Shape Round Housing Material Zinc Aluminum Magnesium Heater With Heater Heater Type Heating Coil Heater Wattage 1 600 W Includes Mounting Brackets Mounting Location Ceiling Exhaust Airflow @ 0.100 in SP 110 cfm Maximum Noise Level 1.5 sones Noise Level @ 0.100 in SP @ 5 ft 0.7 sones Number of Speeds 3 Overall Depth 10 1/4 in Overall Height 7 1/2 in Overall Width 16 in Lighted With Light