24"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 25.75"w x 37.75"h] Insulated Line Set please note that the total

please note that the total outer dimensions of the grille measure 8" in diameter

this air vent diffuser is built to last

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 14" duct openings

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

Vertical blades in the back

24"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 25.75"w x 37.75"h] Insulated Line Set please note that the total+ Product Details Size 24"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 37. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never