22"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 25.75"h] Aluminum Bar + Product Details Size -

+ Product Details Size - 18"w X 12"h X 2"d (for duct opening measurement only)

+ Product Details Size - 16"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 18" x 26" or 26" x 18" is the size for the duct opening measurement only

Tamper-Proof Locking Mechanism – Includes an eight-tumbler lock with a supplied key to prevent unauthorized access

22"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 25.75"h] Aluminum Bar + Product Details Size -+ Product Details Size 22"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 25. 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