28"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 31.75"h] Grille Achieve superior control over your

Achieve superior control over your indoor airflow for a more comfortable space

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening)

+ Product Details Size – 6" x 32" or 32" x 6" is the size for the duct opening measurement only

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+ Product Details Size - 6"w X 32"h is the size for the duct opening measurement only

28"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 31.75"h] Grille Achieve superior control over your+ Product Details Size 28"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 31. 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