26"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 25.75"h] Ceiling + Product Details Perfect Fit FR614BL 9in diameter ensuring your space stays

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 16" OR 16" x 36" duct opening (measured at the opening)

actual front end outer dimensions are approximately 37

Why Choose This Vent Cover

+ Product Details Size - 30"w X 20"h is the size for the duct opening measurement only

and smooth surface for years to come

26"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 27.75"w x 25.75"h] Ceiling + Product Details Perfect Fit FR614BL 9in diameter ensuring your space stays + Product Details Perfect Fit & Easy Sizing Designed for a 36" x 16" OR 16" x 36" duct opening (measured at the opening) actual front end outer dimensions are approximately 37