• 12-inch whirlybird turbine ventilator ensures long life and no maintenance
• Reduces winter ice build-up and energy bills; withstands winds up to 147 MPH
• Hole Size (in): 12 in
• Height: 17.25in
• Base (in): 20 x 20

Turbines offer all of the essentials for energy savings and are geared towards going green while maximizing ventilation capacity. The large flashing makes installation easy. When installed with adequate intake ventilation, the turbine reduces energy bills and the likelihood of winter ice buildup. Featuring 0.015 in. stamped galvanized steel, the Lomanco 12 in. Galvanized Steel Internally Braced Wind Turbine offers lasting durability and permanently lubricated ball bearings for hassle-free maintenance.

Lifetime warranty.