AniMed Fsf Diatomaceous Earth-Fine Multi-Species， 2.5-Pound<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>A natural source of amorphous silica， a trace mineral in its natural state</li><li>FSF is an anti-caking feed additive safe for all mammals (warm blooded animals)</li><li>Fine powder</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41IgoMl16HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31dgf-NngfL.jpg" noproxy>