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 + Product Spec Sheet Aluminum

+ Product Spec Sheet Aluminum Return Grille Spec Sheet

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 18" OR 18" x 30" duct opening (measured at the opening)

these louvers are built to last

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

+ Product Details Size – 14" x 26" or 26" x 14" is the size for the duct opening measurement only

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 + Product Spec Sheet Aluminum+ 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