2" Non-Drainable Outdoor Louver Gable Vent (Flange Frame) - Customizable Mounting Bracket + Product Details Size &

+ Product Details Size & Compatibility – The 4" clinch base side metal take off is compatible with duct 4"

and are ready to go for the next job

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and carpet fibers

+ Product Details 16"w X 16"h is the size for the drywall opening measurement only

2" Non-Drainable Outdoor Louver Gable Vent (Flange Frame) - Customizable Mounting Bracket + Product Details Size &Our 2" Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Flange Frame. It has blades that prevent water penetration and maximize free area. Features Heavy duty, extruded aluminum flange frame. Fixed, non drainable blades on 2" spacing. J blade design minimizes water ingress while maximizing free area. Nominal 43% free area, based on 48" x 48" louver. Mullions used for sizes over 36" in length.