30"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 37.75"h] 12in diameter + Product Details Size -

+ Product Details Size - 26"w X 12"h is the size for the duct opening measurement only

this piece is a perfect touch of class you need to add to your decor

+ Product Details Size – 15" Corner Baseboard Grille - White - HVAC corner vent cover

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 26" or 26" x 12" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening)

30"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 37.75"h] 12in diameter + Product Details Size -+ Product Details Size 30"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 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