Platypus Gravityworks 4.0L Water Filter System

Weighs 370g
Code: SS14565
  • Now £95.99
  • (FREE Delivery on orders over £15)
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Delivering four liters of filtered water is just 2.5 minutes with no pumping, there’s simply no easier or faster way to get safe water away from home. Ideal for bigger groups, the system’s eight-liter capacity eliminates both the worry and hassle of keeping plenty of water around for anything you need.

Platypus says:

Filtering up to 1.75 liters a minute without any pumping, the high-capacity GravityWorks Water Filter System filter is one of the easiest and fastest ways to get filtered water in the backcountry. With two different sizes—6.0L & 4.0L—the GravityWorks is ideal for bigger backpacking groups or basecamps. Offering an 8 or 12 liter total capacity, either model easily supplies filtered water for drinking, washing up, cooking, and cleaning. Simplify your water collection with the GravityWorks system and spend more time enjoying your group.

Gravity fed water filtration systems are quite new - this one is very light indeed, considering both reservoirs are 4.0L - so its ideal for camp use. On the downside filters can get clogged - and this one will be no different - if you expect to take water from sources without sediment then this would be a good choice to filter out the nasties. Heavily contaminated water will clog it quickly though and it would only work excruciatingly slowly!

- Reviewed by Ultralight Outdoor Gear

Read reviews here:            
Help and advice:  Info on Water Purification from Ultralight Outdoor Gear    
  • No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work—yep, filtering water can be as easy as fill, hang, relax.
  • Fast: Filters up to 1.75 liters per minute; microfilter lifetime up to 1,500 liters of water.
  • Effective: Every microfilter is individually tested to ensure it meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa*. *This includes Giardia, Cryptosporidium, E. coli, Salmonella and Cholera.
  • Light & Compact: System weighs 11.5 oz. (326 g) and stows smaller than most 1L bottles.
  • Group-ready: 8 liter (4.0L filtered + 4.0L unfiltered) total capacity easily supplies water for groups.
  • Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance.
  • Hollow Fiber Advantage: Hundreds of tiny, hollow fibers enable the microfilter to filter water faster than traditional filter media.
  • Easy collecting & dispensing: Collecting water is easy—simply open the top, scoop water, and close; control delivery of filtered water with hose shutoff clamp.
  • Comes with: Clean reservoir (4.0L), Dirty reservoir (4.0L), Hollow Fiber microfilter, hoses, shutoff clamp, and storage sack.
  • Download GravityWorks Instructions [PDF]
  • Weighs: 370g
  • Width: 8 cm / 3.25 in
  • Length: 24cm / 9.5in
  • Filter Media: Hollow Fibre Filter
  • Filter pore Size: 0.2 Microns
  • Flow (L/Min): 1.75 Litres per minute
  • Cartridge Life: 1500 Litres

Effective

  • Effective against bacteria: Yes
  • Effective against chemicals/toxins: No
  • Effective against particulate: Yes
  • Effective against protozoa: Yes
  • Effective against viruses: No
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