Pentek EP-10

http://www.waterfilters.net/Pentek-FLOPLUS-20BB-High-Flow-Carbon-Filter.html
The Pentek FloPlus20BB cartridges utilize a revolutionary new technology that significantly enhances flow rates. The FLOPLUS-20BB water filter is ideal for users looking for a product that offers high flow, low pressure drop, infrequent cartridge changes and cyst-free water. Maximum life—dirt-holding ability of a 10-micron carbon block with the particulate efficiency of a 0.5-micron cartridge.
99.95% reduction of Cryptosporidium and Giardia cysts.
Pentek FloPlus-20BB water filter cartridge 455906-43 has outstanding chlorine taste & odor reduction. High flow rates and low pressure drop similar to a nominal 10-micron cartridge. The Pentek FloPlus-20BB water filter is Tested and Certified by NSF International to NSF/ANSI Standard 53 for the reduction of Cysts.