Everpure 2H-L Water Filter Replacement Cartridge Unique activated carbon-based filter blend reduces chlorine taste & odor and other offensive contaminants Exclusive precoat filtration technology reduces dirt and particles as small as 1/2-micron in size by mechanical means NSF/ANSI Standard 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means Does not remove fluoride from the water