Doulton W9220402 Slimline Sterasyl OBE Ceramic Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>He Doulton W9220402 cartridge is open on both ends (OBE) and fits in standard 10-Inch filter housings</li><li>The Doulton W9220402 Hollow Core OBE Filter features a Sterasyl ceramic outer shell with no core</li><li>The Doulton Slimline Sterasyl ceramic shell is silver impregnated ceramic</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21UOGmID9VL.jpg" noproxy>