Fluval Nano Bio-Foam - 2 Pieces</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Captures debris and houses nitrifying bacteria</li><li>Less clogging with pore sized Bio-Foam</li><li>Allows efficient water flow</li><li>Specifically designed for the Fluval Nano Aquarium 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/41FjipBclWL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31wfNOGcuxL.jpg' noproxy></br>