32"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 25.75"h] Drop Ceilings / Aluminum Optional Butterfly Damper Available At

Optional Butterfly Damper Available At Asin: B007CNEL1W

Ideal for plumbers

+ Product Details Size – 30"w X 8"h is the size for the duct opening measurement only

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Installation is a breeze

32"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 25.75"h] Drop Ceilings / Aluminum Optional Butterfly Damper Available At+ Product Details Size 32"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 25. 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