Quietflow Internal Fltr Cartrdge Sm 2p</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Ready-to-use， preassembled filter cartridges install in seconds</li><li>Foam mechanical filtration and acticared carbon chemical filtration</li><li>For best results replace cartridge every 30 days to insure crystal clear water</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/417ZUBkZtOL.jpg' noproxy></br>