18"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 13.75"h] 12" Diameter + Product Details Size -

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height

+ Product Details Size – 22"w X 14"h is the size for the duct opening measurement only

Elevate your space's aesthetic with a luxurious touch that complements any architectural style

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18"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 13.75"h] 12" Diameter + Product Details Size -+ Product Details Size 18"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 13. 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