Penn Plax Carbon Infused Filter Media Pad， 18 by 10-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>18" x 10" Pad; Cut to fit your filter perfectly</li><li>Removes harmful chemicals， toxins and pollutants</li><li>Removes odors and discolorants</li><li>Improves water quality</li><li>Improves water clarity</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/51OduaYnDvL.jpg' noproxy></br>