Instant Ocean-Aquarium Systems Duetto Biological Sponge for Aquarium Filter</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Instant ocean duetto biological sponge-dj50</li><li>Silent and powerful filtration</li><li>Submersible power filter</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/41Pmhd-XxvL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31UBcqvNIiL.jpg' noproxy></br>