Lifesystems Chlorine Dioxide Water Purification Drops

Lifesystems water purification drops kill bacteria, viruses and cysts in water 
including Giardia and Cryptosporidium. Chlorine dioxide is the safest 
and most effective form of chemical water disinfection and unlike 
chlorine, has no noticeable aftertaste.
Treats up to 60 litres of water
Kills bacteria, viruses and cysts
No significant after-taste