34"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 33.75"h] Powder Coated Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 27 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 18" Or 18" x 34" duct opening (measured at the opening)

+ Product Details Size – 8"w X 34"h is the size for the duct opening measurement only

+ Product Details Size – 34" x 34" is the size for the duct opening measurement only

+ Product Details Size - 6"w X 8"h X 2"d (for duct opening measurement only)

34"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 33.75"h] Powder Coated Actual Filter Size – 15+ Product Details Size 34"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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