30° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable Custom Louvers + Product Details Size –

+ Product Details Size – 20" x 36" or 36" x 20" is the size for the duct opening measurement only

+ Product Details Size - 18"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size - 34"w X 36"h X 2"d (for duct opening measurement only)

fasten the edges to studs with the provided screws

30° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable Custom Louvers + Product Details Size –Our 30 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Channel Frame. Features Fixed 30 horizontal blades on 3 4" spacing. Fully extruded aluminum blades and channel frame. Supports are hidden behind blades for a clean appearance. Bird screen is standard or optional insect screen. Available in 1" standard dimension increments. Custom sizes manufactured up to 1 16" increments. Mounting