18"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 27.75"h] Return Grille Elevate your air system today

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

+ Product Details Size - 12"w X 34"h is the size for the duct opening measurement only

75"H – fits a 8" X 4" duct opening

Actual Filter Size – 7 3/4"w x 31 3/4" x 1"

+ Product Details Size - 24"w X 8"h X 2"d (for duct opening measurement only)

18"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 27.75"h] Return Grille Elevate your air system today+ Product Details Size 18"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 27. 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