12"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 33.75"h] w25h25 Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

Actual Filter Size – 35 3/4"w x 27 3/4" x 1"

Design – Full Control Vertical/Horizontal Air flow Direction

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 6" duct openings

12"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 33.75"h] w25h25 Actual Filter Size – 19+ Product Details Size 12"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 75" Width X 33. 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