Dogit Design Carbon Replacement Foam Filter Cartridge for Dogit Design Fresh & Clear Fountain 18 Pack (6 units of 3)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Replacement carbon cartridges for Catit Fresh & Clear Fountains</li><li>Activated carbon helps absorb water impurities</li><li>Incudes 6- 3 pack units</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/51%2BwhzjtjNL.jpg' noproxy></br>