Just what is the purifying mechanism? Is...
Just what is the purifying mechanism? Is it a filter cartridge? Is their iodine involved. How many gallons will it purify. What does a replacement cartridge cost or is this an integrated unit?
"The fiberglass pre-filter removes bacteria and protozoa as well as particles larger than 0.3 microns The new 3-layer filter medium ViruPur blocks viruses and the smallest particles based on electrokinetic depth filtration."
This purifier bottle doesnt require chemicals like iodine or use batteries to make it work. The element can filter up to 100 liters, depending on water quality them the unit needs to be replaced.