<https://apexsolutionsmn.com/manufacturers/arrow-united-industries-louvers-and-dampers/>
<http://schema.org/description>
"Arrow United Industries Louvers and Dampers allow for air shut off in the event of a fire to avoid spreading to other parts of the plant"
<https://apexsolutionsmn.com/manufacturers/arrow-united-industries-louvers-and-dampers/>