Crystal Quest CQE-RC-04007 Nitrate Filter Cartridge<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Nitrate Filter Cartridge Has A Nitrate Reduction Of 90-95-Percent</li><li>It Removes Certain Monovalent Ions Like Nitrates， Bromides， Iodides， Etc</li><li>The Crystal Quest 2-7/8-Inch By 9-3/4-Inch Nitrate Filter Cartridge Is Compatible With The Crystal Quest Nitrate Water Filters And Crystal Quest</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31hdsbbewRL.jpg" noproxy>