14"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 17.75"h] Round Damper Ring + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 6" OR 6" X 16" duct opening (measured at the opening)

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actual front end outer dimensions are approximately 30 5/8" width X 22 5/8" height

+ Product Details Size – 8" x 30" or 30" x 8" is the size for the duct opening measurement only

14"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 17.75"h] Round Damper Ring + Product Details Perfect Fit+ Product Details Size 14"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 17. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never