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] flat stamped steel Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are 29

Plain Ends - Gives you the freedom to cut and flare at your own project needs

The total outer size of this grille is the listed size

+ Product Details Size – 12"w X 4"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] flat stamped steel Actual Filter Size – 11+ 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