32"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 31.75"h] Insulated Line the gap will expand and

the gap will expand and retract to meet perfect air supply needed

Ideal for Walls & Ceilings: Designed for seamless installation in standard 30" X 6" duct openings

1-1/8” - 2334 PSI

actual front end outer dimensions are approximately 29

+ Product Details Size – 22" x 36" or 36" x 22" is the size for the duct opening measurement only

32"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 31.75"h] Insulated Line the gap will expand and+ Product Details Size 32"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 31. 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