Product details:

Octagon Gable Vents add a noticeable accent with their crisp angles and vivid, contrasting color.Features Patented snap-on trim ring provides a beautiful finished appearance once the vent has been installed, hiding rough cuts and reducing installation time. Mid-America gable vents provide added architectural detail with their wood grain finish and sharp distinctive features. Installation is easy with our wide nailing flange, leveling lines, adjustable stop gauge and snap-on trim ring.Specifications Sizes Available: 18",22",27",32" Venting Area: 18" vent 26 sq. in. / 22" vent 54 sq. in. / 27" vent 81 sq. in./32" vent 110 sq. in.