12"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 35.75"h] 2-Way actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 27 5/8" height -

actual front end outer dimensions are approximately 30 5/8" width X 36 5/8" height

+ Product Details Size - 32"w X 12"h is the size for the duct opening measurement only

Gymnasiums & Restaurants

Actual Filter Size – 25 3/4"w x 31 3/4" x 1"

12"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 35.75"h] 2-Way actual front end outer dimensions+ Product Details Size 12"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 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