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" } else { dd Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

} else { dd

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

+ Product Details Size – 12" x 30" or 30" x 12" is the size for the duct opening measurement only

+ Product Details Size - 14"w X 26"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

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" } else { dd Compatible With Duct 7in Applications This sheet metal DDAG A 1212 } else { dd + Product Details Size 10"w X 22"h is the size for the duct opening measurement only