Pentek CBC-5 # 155169 Taste & Odor Carbon Block Replacement Water Filter CBC5. Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner and Many Other Brands. Carbon Block Half Micron Taste & Odor Water Filter. 4 7/8" long X 2 1/2" diameter. 24 per case, sold individually. Ametek # 155169 CBC Series cartridges are highly effective at reducing unwanted taste, odor, chlorine, certain VOC's and pesticides from potable drinking water. With a nominal 0.5-micron rating, they are equally effective at reducing Cryptosporidium and Giardia cysts, as well as fine sediment. They also make excellent polishing filters or pre-filters in applications requiring fine filtration and high capacity. Order a case and save even more.