Hydro-Logic 22096 10-Inch by 4.5-Inch Pre-Evolution KDF/Catalytic Carbon Filter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Standard carbon pre-filter included with Evolution water filtration systems</li><li>Reduces chlorine and chloramine in city water</li><li>Reduces iron， hydrogen sulphide and heavy metals in well water</li><li>Provides Two Extra Stages of Filtration</li><li>Extends the Life of Your RO System</li><li>Up to 7，500-Gallon</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hQw0cVSRL.jpg" noproxy>