30"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 9.75"h] w20h20 5" - SEE BELOW IN

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

} (function () { const container = document

actual front end outer dimensions are approximately 34 5/8" width X 26 5/8" height

+ Product Details Size - 36"w X 20"h X 2"d (for duct opening measurement only)

+ Product Details Size – 20"w X 25"h is the size for the duct opening measurement only

30"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 9.75"h] w20h20 5" - SEE BELOW IN+ Product Details Size 30"w X 8"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 9. 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 wear