16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 17.75"h] w36h36 Actual Filter Size – 31

Actual Filter Size – 31 3/4"w x 23 3/4" x 1"

+ Product Details Size – 32"w X 14"h is the size for the duct opening measurement only

One Towards The Top Of The Door

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

16"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 17.75"h] w36h36 Actual Filter Size – 31+ Product Details Size 16"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 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