www.waterfilters.net/Pentek-CBC-5-Cyst-Reduction-Water-Filters.html
The Pentek CBC-5 is a 0.5 micron carbon block designed to produce healthier, better-tasting drinking water. The Pentek CBC-5 water filters have enhanced dirt holding capacity and the filter's unique carbon block structure enables it to reduce 99.5% of Giardia, Cryptosporidium, Entamoeba, and Toxoplasma cysts and fine sediment particles down to 0.5 microns (based on manufacturer's internal testing). Also known as the Ametek CBC-5, this water filter cartridge is 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.
