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LifeStraw Flex

Water filter incorporating a filter straw and a 650 ml flexible flask.

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The opinion of Aventure Nordique

The Lifestraw Flex is a water filtration system that is practical, easy to use and transportable anywhere. The Flex model is equipped with the water filter and a flexible flask with a capacity of 650 ml. You can use it for all your sports and outdoor activities. Simply fill it into a stream, a torrent, a watering hole and you're ready to drink!

Technical details

Manufacturer LifeStraw
Product name Flex
Article number LS6FLEX
EAN 7640144283933
Filter Type Hollow fiber membrane filter
Output 0.2 liters / minute
Filter Size 0,2 microns
Cartridge Life 2000 L
Effective against bacteria Yes
Effective against microorganisms Yes
Effective against particulate Yes
Effective against protozoa Yes
Material Bag is made of durable, TPU laminated nylon BPA Free
Dimensions Filter: 22.9 x 2.5 cm - Soft gourd: 26.9 x 9.9 cm
Weight 89 g
Additional information
  • Multi-purpose water filter with water bag 650 ml
  • Replaceable hollow fibre filter and replaceable carbon filter.
  • Delivered with a cleaning syringe (30 grams)
Country of Manufacture South Korea


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