6"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 31.75"h] Filter Grille + Product Details Size –

+ Product Details Size – 10" x 32" or 32" x 10" is the size for the duct opening measurement only

Filter Size - 19

+ Product Details Size – 20" x 24" or 24" x 20" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 22" or 22" x 12" duct opening (measured at the opening)

ensuring optimal air distribution throughout any room

6"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 31.75"h] Filter Grille + Product Details Size –+ Product Details Size 6"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 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 wear