14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 29.75"h] Fixed Blades with Damper Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 19 3/4" x 1"

Durable and Long-Lasting – Built with high-impact clear plastic and premium materials for dependable performance

+ How To Measure A Round Vent Overall Size:

+ Product Details Size - 12"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 12"h X 2"d (for duct opening measurement only)

14"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 29.75"h] Fixed Blades with Damper Actual Filter Size – 23+ Product Details Size 14"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 29. 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