Warner Marine ecoBAK BioPellet Filter Media 500 mL</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Bio-Degradable Polymer filter medi</li><li>Patent Pending Formulati</li><li>Developed exclusively by Warner Mari</li><li>Lowers levels of dissolved organi</li><li>Reduces Nitrates and Phosphat</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/51Lf9bZf5IL.jpg' noproxy></br>