Ventamatic: 12" Wg Ext Brc Turbine, CX12EBALWG

12" superior externally braced wind turbine attic exhaust vent. Aluminum construction. Premium grade upper and lower stainless steel ball bearings with integrated molded shield to protect bearing raceway. Dual ball bearings - adjusts to 12/12 pitch. Premium bracing system engineered for high wind resistance. Tested to ensure durability and performance in extreme temperatures and high winds. This exhaust vent requires adequate soffit intake vents. Includes: Base and riser. Lifetime limited warranty. No. CX12EBALMIL: Size: 12", Material: Aluminum, Color: Mill, Type: Externally Braced, Roof Pitch: Up to 12/12 No. CX12EBALWG: Size: 12", Material: Aluminum, Color: Weathered Gray, Type: Externally Braced, Roof Pitch: Up to 12/12