Broan 35316 - 1600 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.
• 1600 CFM for attics up to 2280 sq. ft.
• Units remove super-heated attic air whether the home is air conditioned or not.
• In homes that are, the air conditioners run less and don't 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.