14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 37.75"h] 12" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 12" OR 12" x 22" duct opening (measured at the opening)

High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant

+ Product Details Size – 16"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 24 3/4"w x 19 3/4" x 1"

14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 37.75"h] 12" Diameter + Product Details Perfect Fit+ Product Details Size 14"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 37. 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