28"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 15.75"h] Brown This grille is ideal for

This grille is ideal for both sidewall and ceiling installations

The 1/2" white insulation

+ Product Details Size – 22"w X 26"h is the size for the duct opening measurement only

Whether you're updating a single room or renovating an entire space

28"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 15.75"h] Brown This grille is ideal for+ Product Details Size 28"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 15. 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