16"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 19.75"h] w14h14 75"H – fits a 10"

75"H – fits a 10" X 10" duct opening

+ Product Details Durable Construction - Made with clear

Never Rust Plastic 2-Way Vertical Air Supply Register

built for durability and long life in mind

+ Product Details Size – 14" x 28" or 28" x 14" is the size for the duct opening measurement only

16"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 19.75"h] w14h14 75"H – fits a 10"+ Product Details Size 16"w X 18"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 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