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Platypus Gravityworks 4L System

The Platypus Gravityworks is a 4L pump-free water filtration system, perfect for groups or using at camp.

With a filtration speed of up to 1.75L a minute without the need for any pumping, the Gravityworks 4L is one of the most convenient ways to get filtered water whilst out on the trail. The large capacity is ideal for larger groups or uses at base camp including drinking, washing up, cooking and cleaning.



  • No pumping - just fill the reservoir and hang, let gravity do the work
  • Fast - filters up to 1.75L per minute, the microfilter lasts for a lifetime of up to 1500L
  • Effective - every microfilter is tested to ensure it meets all EPA and NSF guidelines for the removal of 99.9% bacteria and protozoa, including Giardia, Cryptosporidium, E. Coli, Salmonella and Cholera
  • Easy clean - microfilter can be easily backflushed in 4 seconds to maintain filter performance
  • Includes - 2 x 4L reservoir, hollow fibre microfilter, hoses, shutoff clamp, storage sack


  • Weight: 326g
  • Size: 24 x 8cm
  • Material: Polyethylene

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