Penn Plax SWF2C Penn-Plax Smallworld Filter Cartridge</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>For carefree maintenance， healthy fish and crystal clear water</li><li>Top quality activated carbon</li><li>Removes harmful gases and odors</li><li>Clears up unsightly discoloration</li><li>Quick， easy， disposable</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/31NJbsmqzjL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31ujCRrwAYL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/215nWao%2BQmL.jpg' noproxy></br>