Potable Aqua Chlorine Dioxide Water Purification Tablets, 30 Tablets

Features: Proven effective against Giardia Lamblia, Cryptosporidium, and Viruses. Great for Camping, Hiking, International Travel and Emergency Situations. Effective against bacteria, viruses and cysts, such as cryptosporidium. Makes questionable water bacteriologically suitable to drink. No aftertaste - improves the taste and odor of water. Ideal for use with hydration packs.