Doulton W9220406 Imperial Sterasyl OBE Ceramic Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The Sterasyl Ceramic Filter is a self-sterilizing filter that can be re-used over again to provide absolute micron filtration down to 0.9 microns</li><li>The Doulton W9220406 cartridge is open on both ends (OBE) and fits in standard 10 and # 34， filter housings</li><li>The Doulton W9220406 Imperial Hollow Core OBE Filter features a Sterasyl ceramic outer shell with no core</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31XkHcS7aYL.jpg" noproxy>