Designed for optimal performance, this Imperial 3-1/4 in x 10 in premium range exhaust hood is the ideal choice for exhausting kitchen range hoods that require through-the-wall installation. It features an energy-efficient, air-tight construction and is designed for maximum airflow with an innovative damper that helps prevent back-draft and heat loss. Made of durable painted galvanized steel that is built to withstand tough conditions, the exhaust hood can also be painted to match the exterior of your home. Easy to install, this heavy-duty exhaust hood effectively vents air from your range hood to the outdoors for improved air quality and reduced energy costs.