Chlorine dioxide kills bacteria, viruses and cysts in water including Giardia and Cryptosporidium. These water purifying tablets are the safest and most effective form of chemical water disinfection and unlike chlorine, have no noticeable aftertaste.

Please Note: An unopened tablet will last up to 3 years from date of manufacture.

Features:

• Treats up to 30 litres of water
• Kills bacteria, viruses and cysts
• No significant aftertaste
• Duke of Edinburgh recommended kit