45° Thinline Outdoor Louver Gable Vent (Wide Frame) - Customizable 6in diameter + Product Details Size –

+ Product Details Size – 18"w X 18"h is the size for the duct opening measurement only

Actual Filter Size – 31 3/4"w x 11 3/4" x 1"

+ Product Details Size – 6"w X 16"h or 16" x 6" is the size for the duct opening measurement only

+ Product Details Size – 36"w X 36"h is the size for the duct opening measurement only

ideal for making tight corners and maintaining efficient airflow in your HVAC system

45° Thinline Outdoor Louver Gable Vent (Wide Frame) - Customizable 6in diameter + Product Details Size –Our 45 Thinline Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Wide Flange Frame. Features Wide flange for additional mounting surface coverage Fixed 45 horizontal blades on 3 4" spacing Fully extruded aluminum blades and 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