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 + Product Details Size –

+ Product Details Size – 6" x 18" or 18" x 6" is the size for the duct opening measurement only

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

rust-free aluminum construction with smooth finished edges and counter-sunk screw holes (screws included)

And The Cooler Air From Outside WIll Flow In From The Bottom

Our filter grille latch is easy to use on your fingers and requires no screwdriver to open

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 + Product Details Size –+ 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