32"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 21.75"h] White + Product Details Size -

+ Product Details Size - 20"w X 6"h X 2"d (for duct opening measurement only)

+ Product Details Size – 8"w X 36"h is the size for the duct opening measurement only

controlled by a switch

actual front end outer dimensions are approximately 22" width X 16" height

32"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 21.75"h] White + Product Details Size -+ Product Details Size 32"w X 20"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 21. 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