Cool Attic 9 in. H X 25 in. W X 25 in. L Galvanized Black Steel Power Attic Ventilator

The Cool Attic-Ventamatic power vents are rugged and efficient domes of proven and reliable construction. Our fan blades are precision balanced for minimum vibration. Our motors are UL and CU or L listed for safety in handling. The power roof vents are factory assembled for easy installation and are built for stability and high wind resistance.