Jack's Magic The Filter Fiber Stuff (36 oz)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Safe alternative to DE in DE filters</li><li>Enhance the filtering performance of sand and cartridge filters</li><li>Extends filter runs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51KPf3kt-aL.jpg" noproxy>