36"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 33.75"h] RG66 Black-HP actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 26 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 8" duct openings

+ Product Details Size – 12"w X 6"h is the size for the duct opening measurement only

High Standard Quality - Every part is hand inspected for quality before it is packaged

+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only

36"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 33.75"h] RG66 Black-HP actual front end outer dimensions+ Product Details Size 36"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 33. 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