36"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 27.75"h] 12" Round Duct Pipe Its elegant look and fine

Its elegant look and fine finish and the natural warmth of oak wood

reducing energy costs and maximizing HVAC system lifespan

please note that the total outer dimensions of the grille measure 8" in diameter

3 * Insulation density is 30kgs/CBM = 0

Incorporated with Integral Butterfly Damper for full Airflow Control

36"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 27.75"h] 12" Round Duct Pipe Its elegant look and fine+ Product Details Size 36"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 27. 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