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Why We Like It

The lightweight, long-lasting LifeStraw Flex water filter with collapsible squeeze bottle provides added versatility and protection. The water filter protects against bacteria, parasites, microplastics, heavy metals, like lead, chlorine and other chemicals while improving taste. The product is ideal for hiking, camping, emergency preparedness and survival. Your purchase has impact: one product, one child, one year of safe water.



Stage 1: The hollow fiber membrane removes

  • 99.999999% of bacteria (E. coli)
  • 99.999% of parasites (Giardia, Cryptosporidium, etc.)
  • 99.999% of microplastics
  • Stage 2: The activated carbon capsule reduces
  • Lead and other heavy metals
  • Chlorine
  • Bad odor and taste
  • Organic chemical matter

Flex Reviews