32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 35.75"h] 6" Round Duct Pipe + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 36" or 36" x 10" duct opening (measured at the opening)

actual front end outer dimensions are approximately 20 5/8" width X 27 5/8" height -

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 18" OR 18" x 26" duct opening (measured at the opening)

32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 35.75"h] 6" Round Duct Pipe + Product Details Perfect Fit+ Product Details Size 32"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 35. 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