34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] Color_Black + Product Details Size -

+ Product Details Size - 25"w X 18"h is the size for the duct opening measurement only

It features an eight-tumbler lock with a supplied key for secure access

Actual Front End Outer Dimensions Are 14" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size - 34"w X 6"h X 2"d (for duct opening measurement only)

and yet lightweight and easy to handle

34"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 7.75"h] Color_Black + Product Details Size -+ Product Details Size 34"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 7. 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 wear