12 In. Galvanized Externally Braced Replacement Turbine Head

Bracing Externally Braced. The GAF Master Flow externally braced turbines are efficient, easy-to-install venting options for your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation.

12 In. Galvanized Externally Braced Replacement Turbine Head

Bracing Externally Braced. The GAF Master Flow externally braced turbines are efficient, easy-to-install venting options for your roof. They are designed with upper and lower steel ball bearing systems for years of trouble-free operation.