8"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 35.75"h] Color_Red Oak Wood 75"H – fits a 12"

75"H – fits a 12" X 8" duct opening

Actual Filter Size – 27 3/4"w x 21 3/4" x 1"

+ Product Details Size - 4"w X 32"h is the size for the duct opening measurement only

Close For Winter To Prevent The Cold

8"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 35.75"h] Color_Red Oak Wood 75"H – fits a 12"+ Product Details Size 8"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 35. 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