LifeStraw Community is a high volume capacity point of use water filtration unit.
LifeStraw Community is a high volume capacity point of use water filtration unit designed for emergency and humanitarian aid settings. The filter is effective for removing almost all viruses, bacteria , parasites and microplastics from water. The total capacity of the community filter is 50 liters, where 25 liters are used as source water tank and the other 25 are used for the safe water storage tank. The lifetime of this filter is approximately 26,000 gallons (100,000 liters), enough to serve 100 people for 3 to 5 years. It is manufactured by Vestergaard Frandsen and is commercially available for purchase.
Goal 6: Clean water and sanitation
Target users include small communities, schools, cooperative houses and refugee camps who lack access to safe drinking water.
LifeStraw Community purifiers are a registered product of Vestergaard Frandsen.
In October 2014 Vestergaard Frandsen distributed 1,646 LifeStraw Community purifiers to 301 schools, reaching over 157,975 school children in that region. By the end of 2019, the LifeStraw Give Back Program should have reached 1870 schools, 3,367,145 students with 1 year of safe water, and 12,220 filters delivered.
Is this filter designed for individual, household, or community use?
Manufacturer-specified flow rate (L/hr)
Laboratory-evaluated log scale removal rate of bacteria
Does the system use microfiltration, ultrafiltration, nanofiltration, or reverse osmosis?
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
Description of materials of construction
Is there safe water storage integrated into this product?
What is the total number of liters that is recommended can be filtered?
Design specification of LifeStraw Community includes:
- Filtration technology: 0.02 micron membrane ultrafilter cartridge
- Purifier lifetime: 25,000 gallons (100,000 liters)
- Flow Rate:12 liters/hour
- Food grade materials (US FDA 21 CFR standards)
- Total capacity: 50 liters (13 gallons)
- Weight: 17lbs (8kgs) (without water)
- Size (assembled): 22.’’ x 22.’’ x 33.5 ‘’
- Size (box): 22.4’’ x 22.4’’ x 24.4‘’
- Replaceable purification cartridge
- All parts are recyclable
Operational procedure of LifeStraw Filter:
- 25 litres of untreated water are poured into the top of the unit, also called the dirty water container
- The pre-filter removes coarse particles larger than 0.080 mm
- The hollow-fiber ultrafiltration membrane cartridge then stops all suspended particles and pathogens larger than 20 nano metres (including all bacteria, viruses and protozoan cysts).
- Particles and microbes larger than 20 nano metres 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 backwashing handle allows semiautomatic 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
Replaceable component include the ultrafiltration hollow-fiber membrane cartridge.
This filter was designed to reduce 99.9999% of bacteria, 99.999 % of viruses and 99.99% of protozoan cysts meeting the standard for the “highly protective” category of household water treatment options by the World Health Organization and US EPA guidelines.
Water quality testing performed by WHO determined 99.9999% of bacteria, 99.999 % of viruses and 99.99% of protozoan cysts removal.
Vestergaard Frandsen has tested LifeStraw Community purifiers with independent labs such as;
- Bachema Microbiological Laboratory for Environmental Testing, Schlieren, Switzerland
- Laborotorio Fermi, Mexico City, Mexico
No known safety hazards are related to this product. However, users must be cautious by avoiding cross contamination of the clean water container and should not consume water from back flush area.
LifeStraw Community purifiers work best with a table mount or other raised surface.
Miles, S.L et al., 2009, Point-of-use drinking water devices for assessing microbial contamination in finished water and distribution systems,Environmental science & technology, 43(5), pp.1425-1429.
Ching Kwek Pooi, C. K., and Yong, H., 2018, Review of low-cost point-of-use water treatment systems for developing communities, npj Clean Water, 1(11).
Ngoc Dao Trinh, 2018, Development of a Decentralized Drinking Water Treatment Plant Based on membrane technology for rural areas in Vietnam, kassel university press GmbH, pp. 45-46.
Bradley, D et al., 2018, Assessment of Water Purification Technologies in Developing Countries, 2018 Portland International Conference on Management of Engineering and Technology (PICMET).
LifeStraw Community complies with USEPA Protocol and WHO regulations and standards.
The manufacturer cites removal of bacteria, virus and protozoa as a evaluation criteria under the USEPA and WHO Protocol.
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