Translation of English <a href="//commons.wikimedia.org/wiki/File:HEPA_Filter_diagram_en.svg" title="File:HEPA Filter diagram en.svg">original illustration</a> of HEPA filter design
<ul><li><a href="//commons.wikimedia.org/wiki/User:Nyq" title="User:Nyq">Nyq</a> (translation)</li>
<li>Derived from the work of <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a></li></ul>
2015-10-02
<ul><li><span class="int-own-work" lang="en">Own work</span> (translation)</li>
<li>This file was derived from: <a href="//commons.wikimedia.org/wiki/File:HEPA_Filter_diagram_en.svg" title="File:HEPA Filter diagram en.svg">HEPA Filter diagram en.svg</a><br></li></ul>