Product Review

The Air King E-22A 7-Inch Round Collar with Back Draft Damper prevents outside air from penetrating the home through the rage hood ducting. This collar and damper features an aluminum construction. The damper has a 7-inch diameter and fits 7-inch round ducting. Use with QZ2 and DS Series hoods for vertical round ducting. The Air King E-22A 7-Inch Round Collar with Back Draft Damper comes with a 1-year limited warranty. Air King offers a full line of industrial grade and commercial grade air circulating fan solutions to meet almost any need you might have. Whether your need is in industrial settings such as manufacturing plants and warehouses or more commercial setting such as offices, schools or hospitals - Air King has the perfect solution for you. Powerful motors that last for years and years are what Air King's Air Circulators have come to been know as and we are not stopping now. Visit www.amazon.com/airking for more information on Air King and our extensive line of products.