Broan 353 - 1140 CFM Gable Mounted Attic Vent

• Quiet, high performance operation for inside the attic applications.
• Galvanized steel housing, ribbed for added strength.
• Mounting brackets simplify installation.
• 1140 CFM for attics up to 1630 sq. ft.
• Units remove super-heated attic air whether the house has air conditioning or not.
• Houses with air conditioning will run less and do not have to work as hard.
• 14" diameter steel blade specially designed for maximum air movement.
• Operates automatically - adjustable thermostat built-in.
• Thermally protected, permanently lubricated motor.