ICOCO Replacement Filter for ICOCO 6 Stage Ceramic Tap Water Filter Water Purifier Unique 6 stage filtration technology reduces a wider range of contaminants than other brands. The filter provides up to 6-8 months/ 530 gallons of clean water. The ceramic diatom filter element is easy to replace. Can be used repeatedly by brushing without recontamination. Remove residual chlorine & heavy metals & inhibit the growth of bacteria.