GAF Master Flow GIC12WW Internal Braced Rotary Turbine Ventilator, 12 in, Steel, Galvanized

The GAF Master Flow 12 in. internally braced wind turbine is designed to enhance attic ventilation, reducing heat and moisture buildup for extended roof life. Crafted from galvanized steel with a weathered wood finish, this turbine features a dual-bearing system for smooth, long-lasting operation. Its adjustable base accommodates roof pitches from 2:12 to 12:12, offering easy installation. The two-piece, mechanically locked design and extra-large flashing base provide superior weather protection and stability.

Galvanized steel construction ensures durability and long-term performance Weathered wood finish blends seamlessly with most roof styles Internally braced design offers superior wind resistance and structural stability Dual-bearing system with steel ball bearings for smooth and efficient operation Encased bearings prevent debris buildup for low-maintenance, long-term use Mechanically locked two-piece design simplifies installation and enhances durability Extra-large flashing base improves leak protection and weather resistance Adjustable base accommodates roof pitches from 2:12 to 12:12 for versatile mounting 120 sq. in. net free area (NFA) ensures efficient attic ventilation Permanently lubricated bearing system ensures years of trouble-free spinning