28"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 17.75"h] Width_20in For added protection

For added protection

+ Product Details Size – 14" x 22" or 22" x 14" is the size for the duct opening measurement only

querySelectorAll('

+ Product Details Size - 28"w X 4"h is the size for the duct opening measurement only

+ Product Spec Sheet 2-Way Wall/Ceiling Register Spec Sheet

28"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 17.75"h] Width_20in For added protection+ Product Details Size 28"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 17. 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