Builders Edge 22 in. x 34 in. Half Round Gable Attic Vent, Clay

This classic shape is the perfect choice for smaller gables. If you would like to add a keystone, sold separately, it can be easily adapted to fit. Use with a wide range of siding materials. Outside Dimensions: 22.1" x 34.2" Depth: 2.1" Venting Area: 100 sq. in. Rough Air Opening: 10" x 10"