18"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 19.75"w x 25.75"h] Aluminum Its professional design and solid

Its professional design and solid construction make it the perfect solution for safeguarding your thermostat against unwanted access

only measure the "hole" in the wall/duct

actual front end outer dimensions are approximately 32 5/8" width X 28 5/8" height

+ Product Details Size – 10" x 32" or 32" x 10" is the size for the duct opening measurement only

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

18"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 19.75"w x 25.75"h] Aluminum Its professional design and solid+ Product Details Size 18"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 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