2" Non-Drainable Outdoor Louver Gable Vent (Channel Frame) - Customizable Aluminum Adjustable Curved Blade + Product Details Size –

+ Product Details Size – 20" x 26 or 26" x 20" is the size for the duct opening measurement only

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It features a secure adhesive design for easy installation onto duct surfaces

actual front end outer dimensions are approximately 16 5/8" width X 34 5/8" height

2" Non-Drainable Outdoor Louver Gable Vent (Channel Frame) - Customizable Aluminum Adjustable Curved Blade + Product Details Size –Our 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