2" Non-Drainable Outdoor Louver Gable Vent (Wide Frame) - Customizable Oval to Round 90-Degree Boot + Product Details Size –

+ Product Details Size – The size 30-gauge stick-on collar is 4" and it is compatible with duct 4"

Material: 600D Polyester

75"H – fits a 18" X 10" duct opening

+ Product Description Enhance your HVAC system's efficiency and your home's aesthetics with our premium aluminum air vent diffuser

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

2" Non-Drainable Outdoor Louver Gable Vent (Wide Frame) - Customizable Oval to Round 90-Degree Boot + Product Details Size –Our 2" Aluminum Louver Vent Exterior Air Grille for Walls, Gables & Crawlspaces is Weather Resistant with a Wide Flange Frame. It has blades that prevent water penetration and maximize free area. Features Wide flange for additional surface coverage. Heavy duty, extruded aluminum wide flange 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"