18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 35.75"h] Adjustable Return If you are looking to

If you are looking to enhance your project with a top-of-the-line unit

+ Product Spec Sheet Aluminum Return Grille Spec Sheet

these louvers are built to last

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

Our filter grille latch is easy to use on your fingers and requires no screwdriver to open

18"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 35.75"h] Adjustable Return If you are looking to+ Product Details Size 18"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 35. 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