These vents use the natural force of wind and air pressure to spin and vent out stale attic air. This pulls hot, humid air from the attic. Turbine vents provide a low-cost ventilation alternative in areas where wind speeds of at least 5 mph are typical.

Highlights:

• Material: Aluminum
• Length: 20 inch
• Height: 17.8 inch
• Width: 20 inch
• Diameter: 12 inch
• Pitch: 3/12 - 12/12
• Shape: Circle
• Vent Type: Wind Turbines
• Net Free Area: 95 sq. inch
• Interior Louver: Yes
• Air Vent's wind turbines are internally braced styles
• Patented delrin bearings assure long lasting quiet operation with no metal parts to squeak
• Large flashing allows for easy installation