12" standard internally braced wind turbine attic exhaust vent. Galvanized steel construction - mill finish. Co-polymer bearing system for quiet, long lasting, and smooth operation - adjusts to 6/12 pitch. 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. CX12IBGVMIL: Size: 12", Material: Galvanized Steel, Color: Mill, Type: Internally Braced, Roof Pitch: Up to 6/12, Pkg Qty: 1, Package Type: Box
From the Manufacturer
Constructed with components designed to meet or exceed industry specifications and standards. DuPont Delrin bearing system for quiet, long-lasting and smooth operation. Raceways fully machined to deliver low drag and quiet operation. Tested to insure durability and performance in extreme temperatures and high winds. Adjustable to a 6/12 pitch. 2 Turbines will ventilate 1300 square Feet. Limited lifetime warranty.