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LifeStraw Peak Series Gravity Filter System - 3L


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The perfect combination for backcountry camping and backpacking, this lightweight and compactable solution offers exceptional filtration. Our optimized cartridge boasts a high flow rate, so you can never worry about clogging while filtering sand and silt. Refill quickly at water sources with the premium durable material storage bag. Plus, our enhanced microfilter performance is re-engineered with an improved membrane and custom backwash accessory to maintain great flow over even longer periods of use. All in all, no need to buy another filter again! You can also use it as a storage system while on the move or as a straw filter alone or with a standard water bottle – its full leakproof design guarantees you'll never run out of clean water again!

  • Dimensions: 8.6 x 20.8 in | 22 x 52.9 cm 
  • Weight: 8.1oz | 228 g 
  • Hose Length: 47 in | 1.2 m
LifeStraw Peaks Series Membrane Microfilter Protects Against:
  • 99.999999% of bacteria 
  • 99.999% of parasites 
  • 99.999% of microplastics, silt, sand, and cloudiness 
  • Pore Size: 0.2 micron
  • Membrane Microfilter lasts up to 2,000 L | 500 gallons – water will stop flowing through once the filter has reached the end of its lifetime 
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