8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 17.75"h] Color_R-8.0 Pink 5" - SEE BELOW IN

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

75"H – fits a 18" X 10" duct opening

actual front end outer dimensions are approximately 12 5/8" width X 38 5/8" height

+ Product Details Size – 10" x 14" or 14" x 10" is the size for the duct opening measurement only

75" width X 3

8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 17.75"h] Color_R-8.0 Pink 5" - SEE BELOW IN+ Product Details Size 8"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 17. 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