30"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 7.75"h] Material_Anodized Aluminum Operating from -40°F to +248°F

Operating from -40°F to +248°F

Actual Filter Size – 25 3/4"w x 5 3/4" x 1"

Actual Filter Size – 9 3/4"w x 17 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 22 5/8" height

built for durability and long life in mind

30"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 7.75"h] Material_Anodized Aluminum Operating from -40°F to +248°F+ Product Details Size 30"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 7. 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