Attic Exhaust Fan, Control Type Thermostat, Blade Material Aluminum, Exhaust Airflow @ 0.000 in SP 1, 785 cfm, Fire Safety Shut-Off No, High-Efficiency Motor No, Housing Material Aluminum, Includes Humidistat No, Includes Shutter Yes, Includes Thermostat Yes, Maximum Attic Area 2, 300 sq ft, Motor Horsepower 1/15 hp, Mounting Location Gable, Nameplate Voltage 120V AC, Overall Height 21 1/4 in, Overall Length 8 in, Overall Width 21 1/4 in, Dome Shape Not Applicable, Dome Width Not Applicable