30"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 15.75"h] Compatible with Duct 8" order a 14x20

order a 14x20

Actual Filter Size – 33 3/4"w x 13 3/4" x 1"

please note that the total outer dimensions of the grille measure 12" in diameter

+ Product Details Size - 10"w X 6"h X 2"d (for duct opening measurement only)

30"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 15.75"h] Compatible with Duct 8" order a 14x20+ Product Details Size 30"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 15. 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