14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 29.75"h] w16h16 75"H – fits a 24"

75"H – fits a 24" X 10" duct opening

75"H – fits a 16" X 4" duct opening

+ Product Description Introducing the 8" Radial Damper – Your Solution for Controlled Airflow

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 18" or 18" x 6" duct opening (measured at the opening)

and keep the cold air out during the Winter Months

14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 29.75"h] w16h16 75"H – fits a 24"+ Product Details Size 14"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 29. 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