Air King Air King 3" Round Aluminum Wall Cap with Back Draft Damper

3" Round Aluminum Wall Cap with Back Draft DamperThis Air King wall cap is designed to be the place of termination for the vented gases.Over the forty years Air King has been in business, they have developed something of a reputation for manufacturing quality ventilation products, offering products at a good value, and providing excellent service for their products. Air King believes that a home is more than just a house, it is a sanctuary from the busy world, so shouldn't it be comfortable as well? Thei...