Micropur Purification Tablets 30 Pack - Fresh Drinking Water Anywhere You Go

No expiration date. Item not recommended to use after 3 years of purchase. Ultralight tablets provide fresh drinking water anywhere you go. Effective against viruses, bacteria, giardia and cryptosporidium. Fresh tasting water-no unpleasant taste. Easy-to-use tablets, meets epa purification guidelines. Purification method: chlorine dioxide tablets. Output: 1 tablet treats 1 quart. Of water. Many people use this item for survival, hiking, biking, work, school, camping, fishing, traveling, gift idea, recreational. High quality and made to last. Not limited to these. For men/women.