30"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 23.75"h] Color_Red Oak + Product Details Size -

+ Product Details Size - 18"w X 26"h X 2"d (for duct opening measurement only)

Its professional design and solid construction make it the perfect solution for safeguarding your thermostat against unwanted access

6"w X 6"h Is The Size For The Duct Opening Measurement Only

Smooth Surface Edges - Run Your Fingers Across The Surface To Feel The Smoothness

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

30"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 23.75"h] Color_Red Oak + Product Details Size -+ Product Details Size 30"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 23. 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