12 In. Weathered Bronze Aluminum Externally Braced Whirlybird Wind Turbine

12 In. Weathered Bronze Aluminum Externally Braced Whirlybird Wind Turbine Made from high-quality aluminum for enhanced durability Eliminates heat and moisture from attics for proper ventilation Backed by manufacturer's Whirlybird turbines offer all of the essentials for energy savings and are geared towards going green while maximizing ventilation capacity. The Whirlybird's large flashing makes installation easy. An exclusive vari-pitch base adjusts to a 12/12 roof pitch for use on many roof applications. When installed with adequate intake ventilation, the Whirlybird turbine reduces energy bills and the likelihood of winter ice buildup. Screen Included: No Shape: Round Material: Aluminum Power Type: Wind Powered Intake/Exhaust: Exhaust Features: UV Resistant : 90-Day Bracing: Externally Braced UV Resistant: Yes Color Family: Bronze Mounting Position: Roof Mount Color/Finish: Weathered Bronze Paintable/Stainable: Yes Product Weight (lb.): 7 : Lifetime Rough Opening Height (In.): 12 Cut-Out Width (in.): 12 in Product Height (in.): 18 Product Depth (in.): 20 Rough Opening Width (In.): 12 Coverage Area (Sq.Ft): 775 Net-Free Area (Sq. In.): 0 Product Width x Depth: 20 in. x 20 in. Product Width (in.): 20

Permanently lubricated ball bearing system; all-aluminum construction; exclusive vari-pitch base adjusts to 12/12 roof pitch; tested to withstand winds of 110 MPH; easy installation and reduces winter ice breakup. Forever guarantee-residential use only. BEB12 Miami Dade County Approved 11-0822.05. BEB14 Miami Dade County Approved 10-0928.05. BEB12 features a 20" x 20" base and 17-5/8" height. BEB14 features a 22" x 22" base and 20-3/8" height.