Penn Plax Pro-Z Ammonia-Removing Zeolite Crystals for Aquarium
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Zeolite crystals are designed to keep your fresh water aquarium clear for up to 4-6 weeks</li>
<li>Zeolite crystals are proven to remove ammonia, the #1 fish killer</li>
<li>Pro-z laboratory-quality ammonia-removing zeolite crystals are fast acting and long lasting</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/41ADb3we1hL.jpg'></br>
<img src='http://ecx.images-amazon.com/images/I/41b2qnuAVGL.jpg'></br>
<img src='http://ecx.images-amazon.com/images/I/41ntQDeepYL.jpg'></br>