2" Non-Drainable Outdoor Louver Gable Vent (Channel Frame) - Customizable RG66 Black-HP } /* MORE SPACE BETWEEN

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A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance - equals great air & easy airflow for your system

actual front end outer dimensions are approximately 32 5/8" width X 20 5/8" height -

75"H – fits a 8" X 4" duct opening

only measure the "hole" in the wall

2" Non-Drainable Outdoor Louver Gable Vent (Channel Frame) - Customizable RG66 Black-HP } /* MORE SPACE BETWEENOur 2" Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Channel Frame. It has blades that prevent water penetration and maximize free area. Features Heavy duty, extruded aluminum channel 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. Bird