34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] 14" Diameter scratch-resistant

scratch-resistant

+ Product Details Size – 12"w X 8"h is the size for the duct opening measurement only

The premium durable material guarantees that they will never rust or wear through

actual front end outer dimensions are approximately 30 5/8" width X 20 5/8" height

+ Product Details Size - 28"w X 30"h is the size for the duct opening measurement only

34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] 14" Diameter scratch-resistant+ Product Details Size 34"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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