34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] Material_Steel Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 29 3/4" x 1"

Actual Filter Size – 13 3/4"w x 31 3/4" x 1"

10"w X 8"h Is The Size For The Duct Opening Measurement Only

Actual Filter Size – 29 3/4"w x 33 3/4" x 1"

34"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 17.75"h] Material_Steel Actual Filter Size – 33+ Product Details Size 34"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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