34"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 29.75"h] 6" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 32 5/8" width X 34 5/8" height

Perfect for both residential and commercial use

+ Product Details Size – 24" x 28" or 28" x 24" is the size for the duct opening measurement only

Easy Installation – Comes with all necessary installation screws for a quick and hassle-free setup

the second number represents the height

34"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 29.75"h] 6" Round Duct Pipe actual front end outer dimensions+ Product Details Size 34"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 29. 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