24"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 27.75"h] 10" Diameter + Product Details Size – 14" Round Duct Pipe FR M 414 White For 10 duct opening

+ Product Details Size – 10"w X 36"h is the size for the duct opening measurement only

Sleek Design – The clear and unobtrusive design ensures it blends seamlessly with any home

+ Product Details Size – 10" x 18" or 18" x 10" is the size for the duct opening measurement only

Perfect for sidewall or ceiling installation

+ Product Details Size - 14"w X 18"h X 2"d (for duct opening measurement only)

24"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 25.75"w x 27.75"h] 10" Diameter + Product Details Size – 14" Round Duct Pipe FR M 414 White For 10 duct opening + Product Details Size – 10"w X 36"h is the size for the duct opening measurement only Sleek Design – The clear and unobtrusive design ensures it blends seamlessly with any home