32"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 27.75"h] w20h20 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 28" OR 28" x 32" duct opening (measured at the opening)

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

This versatile diffuser is available in 1-way

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

also called T-Bar systems

32"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 27.75"h] w20h20 + Product Details Perfect Fit+ Product Details Size 32"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 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