12 in. Mill Finish Aluminum Internally Braced Whirlybird Wind Turbine Item Weight:7 underlayment is not required for

underlayment is not required for this product

With the Bruce 6-1/2 ft

Item Weight 23

0 Battery 48-11-1865

12 in. Mill Finish Aluminum Internally Braced Whirlybird Wind Turbine Item Weight:7 underlayment is not required forWhirlybird 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. Extends the life of