16"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 29.75"h] w36h36 + Product Details Size –

+ Product Details Size – 22" x 34" or 34" x 22" is the size for the duct opening measurement only

Installation Location – Floor

75"H – fits a 10" X 4" duct opening

+ Product Details Size – 22" x 26" or 26" x 22" is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 12" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

16"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 29.75"h] w36h36 + Product Details Size –+ Product Details Size 16"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 75" Width X 29. 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