34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] Compatible with Duct 10" Optimized Comfort: By putting airflow

Optimized Comfort: By putting airflow control at your fingertips

actual front end outer dimensions are approximately 26 5/8" width X 8 5/8" height -

Cubic core eggcrate design has the highest rate of airflow efficiency

making it adaptable to various airflow needs

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] Compatible with Duct 10" Optimized Comfort: By putting airflow+ Product Details Size 34"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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