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Best water filters and purifiers for hiking 2024 | Tested and reviewed

Learn what to look for in water filters and purifiers for hiking, and also which models are best.

Three photos of people using water filters and water purifiers
  • Unlimited shelf life

    • Cons

    • Lasts for 4,000 litres but is, ultimately, disposable
    Weight46g
    Flow rateN/A
    Effective against bacteriaYes
    Effective against particulatesYes
    Effective against virusesNo
    Tested to standardNSF protocol P231 and U.S.A. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
    LifeStraw Personal Water Filter 
    Weight40g
    Dosage1L/tablet
    Effective against bacteriaYes
    Effective against particulatesNo
    Effective against virusesYes
    Tested to standardNot stated
    Lifesystems Chlorine Dioxide Water Purification Tablets
    Weight192g
    Flow rate2L/min
    Effective against bacteriaYes
    Effective against particulatesYes
    Effective against virusesNo
    Tested to standardNot stated
    Katadyn BeFree Gravity Water Filtration System 3L 
    Weight103g
    Flow rate1L/90sec
    Effective against bacteriaYes
    Effective against particulatesNo
    Effective against virusesYes
    Tested to standardNot stated
    Katadyn Steripen Adventurer Opti UV Water Purifier