Pentair Pentek CBC Series Cartridges are highly effective at reducing unwanted bad taste & odor and chlorine taste & odor from potable drinking water. CBC Series Cartridges are highly effective at reducing unwanted bad taste & odor, chlorine taste & odor and other contaminants. CBC Series Cartridges are an ideal choice for a wide range of residential, food service, commercial and industrial applications. They also make excellent polishing filters or pre-filters in applications requiring fine filtration and high capacity.