Mechanical-shaker type <a href="https://en.wikipedia.org/wiki/baghouse" class="extiw" title="en:baghouse">baghouse</a> filter for controlling air pollution.
<a href="//commons.wikimedia.org/wiki/User:Goran_tek-en" title="User:Goran tek-en">Goran tek-en</a>
CC BY-SA 4.0
<p><span class="int-own-work" lang="en">Own work</span><br></p>
derivative of <a href="//commons.wikimedia.org/wiki/File:Mechanical-Shaker_Baghouse.png" title="File:Mechanical-Shaker Baghouse.png">Mechanical-Shaker Baghouse.png</a>