Atlantic Water Gardens Black Media Bag for Pond Biological Filters<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Triple-stitched， heavy-duty netting</li><li>Convenient drawstring for securing media in the bag</li><li>1-year warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/61Q3FkHFdDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51g3ZsIZXyL.jpg" noproxy>