The GAF Master Flow internally braced turbines are efficient, easy-to-install venting options for your roof. They allow heat and moisture-laden air to escape your attic, helping to extend the life of your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation. The adjustable base allows for installation on virtually any roof, from 2:12 pitch up to 12:12 pitch.
Internally braced turbine helps exhaust heat and moisture
Durable galvanized construction for smooth and quiet operation
Peace of mind with Limited Lifetime Warranty
Simple, mechanically locked, 2-piece design (Head and base) - allows for faster, easier installation
Base also has extra-large flashing for easier installation and superior weather protection
Head has heavy-duty steel spider braces for strength and durability
Dual-bearing system with encased design helps to prevent dirt, dust, sand and other foreign materials from damaging the bearing, resulting in a smother spin
Permanently lubricated track system of dual bearing system ensures years of trouble-free spinning
Up to 500 sq ft