LifeStraw Peak Series 3L Gravity System - Mountain Blue

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The simple, lightweight and compact option for back-country camping and backpacking, the LifeStraw Peak Series 3L Gravity System features an optimised filtration cartridge that boasts a high flow rate and ability to remove sand and silt without clogging.

Designed to be ultra-versatile and fully leak-proof, use as a storage system while moving about, or as a straw filter by itself or with a standard water bottle. The water storage bag is made from premium materials for extra durability so it can stand up to the same toughness and usage you put your other gear through - you'll never have to buy another.

  • Membrane Microfilter Life: 2,000 L | 500 gallons – water will stop flowing through once the filter has reached the end of its lifetime
  • LifeStraw Peaks Series Membrane Microfilter Protects Against: 99.999999% of bacteria / 99.999% of parasites / 99.999% of microplastics, silt, sand, and cloudiness
  • Additional Filtration Specifications: Meets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasites, BPA Free, FDA approved, premium materials 
  • Includes: LifeStraw Peak Series 3L gravity bag with hose and standard quick connector, carabiner, leak-proof cap for water storage, easy carry strap, backwash accessory, user manual 
  • Hose Length: 47 in / 1.2 m
  • Pore Size: 0.2 micron
  • Dimensions: 8.6 x 20.8 in / 22 x 52.9 cm
  • Weight: 8.1oz / 228 g


        Believing everyone deserves equitable access to safe drinking water, they design beautiful, simple, and functional products that provide the highest protection from unsafe water based on where and how they will be used. For every product sold, a child in need receives access to safe water for an entire year. They have been partners in the fight for the eradication of Guinea worm for 25 years, and actively respond to emergencies across the globe. LifeStraw is a Climate Neutral Certified B Corp and from product to packaging, they measure and minimise their environmental impact.

        Please Note: All stock available online is also available in our 178 Shoreditch High Street, London shop. Our friendly and experienced team can advise you, help with sizing and find you the perfect kit for your next trip. Come in store or contact us if you have any questions or need help.

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