24"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 15.75"h] white actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 10 5/8" height

Actual Filter Size – 7 3/4"w x 25 3/4" x 1"

actual front end outer dimensions are approximately 12 5/8" width X 36 5/8" height

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

24"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 15.75"h] white actual front end outer dimensions+ Product Details Size 24"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 15. 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