Marketing InformationThe Famco DWVA wall vent is a hooded wall vent that is primarily used for air exhaust applications and dryer venting. Includes a built-in hinged backdraft damper. The angled hood is designed to balance a low profile with optimum air flow. Quality constructed in heavy duty 0.02 in mill-finish aluminum. The Famco DWVA is available in sizes ranging from 3 to 12 in dia. Make sure to take accurate measurements to ensure you order the right size. The Famco DWVA wall vent is manufactured by Famco in the United States and comes with a 1 year warranty against product defects and workmanship.