14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 29.75"h] with filter All steel wire is applied 4 X 12 Is CRFG2028 Width_14in

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

our damper helps create a well-balanced indoor environment

With a 6" diameter for the duct opening measurement

actual front end outer dimensions are approximately 36 5/8" width X 38 5/8" height

while the powder-coat finish offers a sleek

14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 15.75"w x 29.75"h] with filter All steel wire is applied 4 X 12 Is CRFG2028 Width_14in All steel wire is applied between PET surfaces to prevent corrosion (oxidization) our damper helps create a well balanced indoor environment