Micropur Purification Tablets (Package of 20)

 409986 Features: Leaves water with a clear, fresh taste to no  chlorine odor or residue Requires a 15 minute wait time for bacteria and  viruses, and a 30 minute to 4-hour wait time for cysts like Giardia and  Cryptosporidia (depends on water quality) Each tablet is individually  sealed for maximum effectiveness Specifications: Contents: Chlorine  Dioxide Output: 1 tablet treats 1 quart (1 liter) of water Capacity: 20  tablets