(6 Pack) Aqua Clear Activated Carbon Filter Insert for 20-Gallon Aquariums (3 Filter Inserts Per Pack / 18 Total Inserts)
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Convenient 18 pack. (6) 3pks</li>
<li>Adsorbs odors, discoloration and impurities</li>
<li>Designed to fit the AquaClear 20 filter</li>
<li>Suitable for aquariums between 5 to 20 gallons</li>
<li>3-pack; Economical way to purchase inserts</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/61VizukrmTL.jpg'></br>