Hydro-Logic 22017 10-Inch by 4.5-Inch Cartridge DI color changing<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Color Changing</li><li>Translucent Housing</li><li>Di-Ionization</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uZWtlx47L.jpg" noproxy>