The Aqualife Ultracarb incorporates a brand and technology that has been a global leader in drinking water filtration for over 100 years. This Aqualife product incorporates a three stage system that consists of sub micron filtration giving an efficiency of 99.9% at 0.5 to 0.8 micron. This countertop has been tested with live Cryptosporidium to a removal efficiency >99.999% as well as high removal levels of other microbacteria including E.coli. Filtration efficiency includes turbidity as well as chlorine, organic compounds, lead and other heavy metal reduction. An application that is most suitable is in the treatment of tank water.