36"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 13.75"h] Width_20in actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 32 5/8" height

Universal Fit – Measures 6-1/4" wide x 4-3/4" high x 3" deep

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

actual front end outer dimensions are approximately 21 5/8" width X 33 5/8" height

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

36"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 13.75"h] Width_20in actual front end outer dimensions+ Product Details Size 36"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 13. 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