Fully registered with the EPA
Effective against viruses, bacteria, cysts, & more
Each tablet purifies up to 1 liter of water
Package of 30 tablets
These Micropur Purification Tablets from Katadyn are the only EPA-registered purification tablets on the market! And the only disinfection system effective against viruses, bacteria, cryptosporidium, and Giardia. No unpleasant taste. 1 chlorine dioxide tablet purifies up to 1 liter of water. Package of 30 tablets.