8"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 13.75"h] 14in diameter + Product Details Size – CRFG2028 Width_14in 4 X 12 Is

+ Product Details Size – 34"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 24 5/8" height

and 4-way configurations

A: Black Grilles Always Look Sharp And Never Show DIrt & Dust Marks

Pack of 4 Pieces

8"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 9.75"w x 13.75"h] 14in diameter + Product Details Size – CRFG2028 Width_14in 4 X 12 Is + Product Details Size – 34"w X 24"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 30 5 8" width X 24 5 8" height