8"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 33.75"h] Ceiling 75"H – fits a 30"

75"H – fits a 30" X 6" duct opening

+ Product Details Size – 14"w X 34"h is the size for the duct opening measurement only

75" Width X 33

+ Product Details Size - 4"w X 30"h is the size for the duct opening measurement only

Our T bar drop ceiling grills are renowned for their exceptional 360-degree airflow capability

8"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 33.75"h] Ceiling 75"H – fits a 30"+ Product Details Size 8"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 33. 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