Two Little Fishies PhosBan Reactor 150 O-Ring<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Two Little Fishies Phosban Reactor O Ring</li><li>The PhosBan Reactor is designed with the upflow principle to achieve the most efficient use of PhosBan or other chemical filter media</li><li>It can be mounted hanging on the back of the aquarium or below the aquarium.</li><li>Two Little Fishies Phosban Reactor O Ring</li><li>The PhosBan Reactor is designed with the upflow principle to achieve the most efficient use of PhosBan or other chemical filter media</li><li>It can be mounted hanging on the back of the aquarium or below the aquarium</li><li>It can be mounted hanging on the back of the aquarium or below the aquarium</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OpVBqNOIL.jpg" noproxy>