22"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 33.75"h] Return + Product Details Outer dimensions:

+ Product Details Outer dimensions: 13

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

Filter Size - 31

actual front end outer dimensions are approximately 17

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 20" or 20" x 8" duct opening (measured at the opening)

22"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 33.75"h] Return + Product Details Outer dimensions:+ Product Details Size 22"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 33. 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