10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 11.75"w x 11.75"h] Curved Blade Steel + Product Details Size –

+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

Easy Installation – Complete set of sponge gasket and mounting frame included

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

How to Measure Your Vent Hole Before Ordering a Grille

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height -

10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 11.75"w x 11.75"h] Curved Blade Steel + Product Details Size –+ Product Details Size 10"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 11. 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