Brand Name: Builders Edge
*Opening Width: 12 in.
*Opening Length: 18 in.
*Color: White
*Material: Plastic
*Product Type: Gable Vent
*Coverage Area: 86 sq. in.
*Exterior Diameter: 1.7 in.
*Exterior Width: 14 in.
*Exterior Length: 20 in.
*12" x 18" rough opening
*Fully screened