Lifegard Aquatics Filter Media， 3-Pound Bottle</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Angular shaped for self cleaning action</li><li>High surface area for greater bacteria growth</li><li>Easily fluidized to improve filtration</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/41l32jvPulL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41Hv5S3QOlL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31%2BkMBm6ufL.jpg' noproxy></br>