Potable Aqua PURE Water Purifier, Portable Electrolytic Drinking Water Treatment Device Potable Aqua PURE inactivates viruses,bacteria, Giardia and Cryptosporidium killing 99.9% of all organisms without the need to pre-filter or pump Easily select the volume of water you want to treat from 1 to 20 liters - 60,000 liters of lifetime capacity Potable Aqua Pure device activates a simple brine (salt and water) solution to produce a mixed oxidant disinfectant On board solar charging panel sustains operation off the grid Purifies water in any condition without the need to pre-filter, ideal for outdoor recreation, travel and disaster preparedness