30"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 27.75"h] Ceiling + Product Details Heavy-Duty Steel

+ Product Details Heavy-Duty Steel Construction - Made from 20-gauge steel for superior strength and durability

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 8

Operating from -40°F to +248°F

30"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 27.75"h] Ceiling + Product Details Heavy-Duty Steel+ Product Details Size 30"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 27. 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