8"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 15.75"h] 10in diameter It comes with two versatile

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

Operating from -40°F to +248°F

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 16" OR 16" x 22" duct opening (measured at the opening)

Actual Filter Size – 27 3/4"w x 19 3/4" x 1"

this grille offers durability and resistance to rust and corrosion

8"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 15.75"h] 10in diameter It comes with two versatile+ Product Details Size 8"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 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 wear