Culligan US-EZ-4 EZ-Change Level-4 Under-Sink Drinking Water System Reduces bad taste and odor, Chlorine taste and odor, sediment, lead and cysts. as Cryptosporidium and Giardia, Mercury, Turbidity, Particulate Class I, VOC’s, MTBE and Chloramines Installs under sink for instant drinking water filtration Quick-connect fittings with double water shut off 500-Gallon capacity filter or 6 months [...]