45° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable snips + Product Details 10" x

+ Product Details 10" x 25" x 1" replacement air filters for your furnace

+ Product Details Size & Compatibility – The size of sheet metal pipe is 7" round x 120" long

+ Product Details Size - 28"W X 4"H is (for duct opening measurement only)

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+ Product Details Size – 14" x 30" or 30" x 14" is the size for the duct opening measurement only

45° Thinline Outdoor Louver Gable Vent (Channel Frame) - Customizable snips + Product Details 10" xOur 45 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Channel Frame. Features Fixed 45 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