Description
Protection
- Hollow fibre filtration technology converts contaminated water into safe drinking water
- Removes a minimum of 99.9999% of bacteria, 99.999 % of viruses and 99.99% of protozoan cysts
- Meets the standard for the “highly protective” category of household water treatment options by the World Health Organization and complies with US EPA guidelines for microbiological water purifiers
Capacity
- 25 litre dirty water tank and 25 litre safe storage tank: total capacity of 50 litres
- Filtration rate: 12 litres/hour
Lifetime
- Can purify between 70,000 -100,000* litres of water over its lifetime
Design Features
- Chemical-free
- Made of durable plastic
- Doesn’t require electrical power or batteries
*Based on a turbidity level of 4-5NTU, under laboratory conditions.
How LifeStraw Community Works
- 25 litres of untreated water is poured into the top of the unit, also called the dirty water container.
- The pre-filter removes coarse particles larger than 80 microns.
- The ultrafiltration hollow-fibre membrane cartridge, located inside the main dark blue body of the filter, then stops all turbidity particles and pathogens larger than 20 nanometres (including all bacteria, viruses and protozoan cysts). Particles and microbes larger than 20 nanometres stay on the dirty side of the membrane and clean/purified water passes through the membrane.
- Purified water can be collected from any of the four taps.
- The blue tap is turned to release purified water.
- The backwashing handle allows semi-automatic backwashing; when it is pulled down and released, pathogens and dust particles on the dirty side of the membrane are lifted by backpressure and then flushed out into the red backwash container.
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