LifeStraw Flex with Gravity Bag


Maximize protection and water throughput with this ultralight, compact gravity water filter system built to provide safe drinking water in almost any environment. The LifeStraw Flex with gravity bag offers next-level protection against bacteria, parasites, and microplastics in addition to lead, chlorine, and other contaminants. The gravity bag features a leak-proof hose connector and a convenient shoulder strap for easy transport and flexibility to hang virtually anywhere. Ideal for hiking, camping, emergency preparedness, and survival. Your purchase has an impact. For every LifeStraw product purchased, a school child in need receives safe water for an entire school year.

  • Membrane microfilter removes 99.999999% of bacteria, 99.999% of parasites, 99.999% of microplastics, and turbidity (silt, sand, and cloudiness)
  • Activated carbon + ion exchange filter reduces lead, chlorine, and bad odors for improved taste
  • Meets NSF 42 standard for chlorine reduction
  • Meets NSF 53 standard for reduction of lead
  • Meets US EPA & NSF P231 standards for the removal of bacteria and parasites
  • Membrane microfilter lasts up to 500 gal | 2,000 L, pore size: 0.2 micron
  • Activated carbon + ion exchange filter lasts up to 26 gal | 100 L
  • Filter Size: 6.4 x 1.5 in | 22.9 x 2.5 cm
  • Hose Length: 27.5 in | 7 cm
  • Gravity Bag Volume: 1 gal | 3.7 L
  • Gravity Bag Size: 18.7 x 10.6 in | 47.5 x 27 cm
  • Weight: 6.9 oz | 196 g
  • Flow Rate: 0.125 gal/min| 0.5 L/min
  • BPA-free materials
  • Replaceable filters & parts
  • Includes: LifeStraw Flex filter, 1-gallon gravity bag, quick-connect hose, and backwashing syringe

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