TAAM Rio Nano Skimmer Replacement Filter Cartridge (Pack of 4)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>For Rio Nano skimmer</li><li>Activated carbon to remove odors and discoloration of water</li><li>Filter pad for removal of fine materials</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/51vC24RnDyL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31Ou%2BRzRMjL.jpg' noproxy></br>