24"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 13.75"h] Compatible with Duct 8" + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 10"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 20"h is the size for the duct opening measurement only

no scuff powder coat durable finish

+ Product Details Size - 10"w X 22"h is the size for the duct opening measurement only

24"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 25.75"w x 13.75"h] Compatible with Duct 8" + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 10"w X 34"h is the size for the duct opening measurement only + Product Details Size – 24"w X 16"h is the size for the duct opening measurement only