28"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 33.75"h] Fixed Blades with Damper + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 36" or 36" x 6" duct opening (measured at the opening)

actual front end outer dimensions are approximately 16 5/8" width X 14 5/8" height

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+ Product Details Size - 28"w X 26"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 36 5/8" width X 8 5/8" height

28"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 33.75"h] Fixed Blades with Damper + Product Details Perfect Fit+ Product Details Size 28"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 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