Fluval C-Nodes</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>For use with the Fluval C Power Filters</li><li>Creates an environment where beneficial bacteria can thrive</li><li>Star shape provides a higher filtration surface</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/41eu75GKVYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/319cTzDkaUL.jpg' noproxy></br>