32"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 17.75"h] White actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 10 5/8" height

+ Product Details Size - 4"w X 10"h is the size for the duct opening measurement only

Solid Base Construction – Features a solid base for stable installation and reliable protection

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 12" or 12" x 8" duct opening (measured at the opening)

High quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

32"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 17.75"h] White actual front end outer dimensions+ Product Details Size 32"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 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