8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 9.75"w x 17.75"h] w24h24 screws same color as vent

screws same color as vent cover

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

+ Product Details Size – 8"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 15 3/4"w x 15 3/4" x 1"

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 8" duct openings

8"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 9.75"w x 17.75"h] w24h24 screws same color as vent+ 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