34"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 15.75"h] white + Product Details Size –

+ Product Details Size – 22" x 28" or 28" x 22" is the size for the duct opening measurement only

while the included installation screws make setup quick and hassle-free

+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 28" OR 28" X 14" duct opening (measured at the opening)

34"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 15.75"h] white + Product Details Size –+ Product Details Size 34"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 15. 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