18"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 19.75"w x 19.75"h] Brown Screws Included

Screws Included

+ Product Details Size - 6"w X 22"h X 2"d (for duct opening measurement only)

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 26" x 28" or 28" x 26" is the size for the duct opening measurement only

Aluminum Return Grille Spec Sheet

18"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 19.75"w x 19.75"h] Brown Screws Included+ Product Details Size 18"w X 18"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 19. 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