24"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 17.75"h] 10" Round Duct Pipe + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 24" OR 24" x 22" duct opening (measured at the opening)

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

ventilating and cooling

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 22" OR 22" X 14" duct opening (measured at the opening)

Actual Filter Size – 21 3/4"w x 11 3/4" x 1"

24"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 17.75"h] 10" Round Duct Pipe + Product Details Perfect Fit+ Product Details Size 24"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 17. 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