8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 9.75"w x 17.75"h] Black Weather and Pest Proof –

Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home

+ Product Details Size – 8" x 36" or 36" x 8" is the size for the duct opening measurement only

with actual front end outer dimensions of 6"

Designed for sidewall and ceiling installation with included screws

actual front end outer dimensions are approximately 10 5/8" width X 34 5/8" height

8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 9.75"w x 17.75"h] Black Weather and Pest Proof –+ 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