GE Under Sink (Single Stage) Water Filtration System - GXK185KBLProduct Description NSF certified reduces chlorine taste and odor, select pharmaceuticals, select VOCs, lead and other contaminants. Filter (FQK2J) should be replaced at most every six months for best filtration results. Controller easily turns filtered water on off. Filtered water for drinking and cooking made easy. Provides for easy, tool free, no mess filter replacement. System installs under the sink No plumbing experience necessary. Filter Model