Builders Edge 20 in. x 30 in. Classic Rectangle Gable Attic Vent, White

Accentuate the height of the home's exterior with a smooth, elongated oval shape. Use with a wide range of siding materials. Outside Dimensions: 21"w x 27"h Depth: 2.175" Venting Area: 57 sq. in.Rough Air Opening: 8"x 8"