<p></p>
<p>Item Specs:</p>
<ul>
<li><span style="background-color: initial;">Product: 4" ID FHH</span></li>
<li>Model: FS400SS</li>
<li>S/n: 6-G-8-5</li>
<li>FIre proof fume / smoke filter unit with blower and ducts - 4" piping</li>
<li>Bag out filter change procedure</li>
</ul>