Aqueon 06087 Filter Cartridge， Large， 3-Pack</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>Helps create crystal-clear， healthy water</li><li>Patented dual-sided replaceable dense-floss cartridges filter out more particles and debris</li><li>For best results replace cartridge every 4-6 weeks</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/41gqI7CF8BL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/519lusCRtyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31ml3HMsaAL.jpg' noproxy></br>