And here is what Katadin has to say:
Micropur Tablets are EPA registered and the only disinfection system effective against viruses, bacteria, cryptosporidium, and Giardia on the market.
- No unpleasant taste
- 1 tablet/1 liter of water
- In challenging water conditions (cold and/or dirty) MP1 can take up to 4 hours to kill cryptosporidium
- Kills viruses and bacteria in 15 minutes and giardia in 30 minutes
- Treatment Volume: 1 Liter
- Effective Against: Protozoa , Bacteria , Viruses
- Treatment Time: 30 minutes
- Treatment Type: Tablet
- Weight: 1
See Katadyn for details on their warranty.