These covered openings allow air to escape the attic. Several of these vents are usually required to properly ventilate the attic. They should be placed evenly across the roof.; ; Brand Name: Air Vent Finish: Galvanized Material: Aluminum Product Type: Roof Vent Paintable or Stainable: Yes Shape: Square Screen Included: Yes Wildlife Guard: No Net Free Area: 50 sq in Vent Type: Roof Opening Dimension: 8 in. Interior Louver: Yes
