30"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 9.75"h] w25h25 actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height -

Actual Filter Size – 35 3/4"w x 21 3/4" x 1"

powder-coated finish adds a touch of elegance while also being scratch-resistant

+ Product Details Size - 36"w X 22"h is the size for the duct opening measurement only

It comes with two versatile mounting base options—solid and ring—making installation simple and flexible

30"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 9.75"h] w25h25 actual front end outer dimensions+ Product Details Size 30"w X 8"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 9. 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 wear