LifeStraw Family 2.0
A family-sized household water filtration unit.
Sold by Indiamart.com for 67.18 USD (5,000 INR).Converted on August 2021
Lifesaver® Jerrycan 20000UF, LifeSaver Cube, VF 100 Village Bucket Filter, ACI Household Filter, LifeWell Water Filter, WateROAM ROAMfilter Plus, WateROAM ROAMfilter Lite, TATA Swach Cristella Plus Water Purifier, TATA Swach Smart, EAWAG System, AquaFilter Family, GE’s ZeeWeed ultrafiltration (UF) hollow-fiber membranes
Goal 6: Clean water and sanitation
Trademarked; LifeStraw® Family 2.0 water filter is a registered product of Vestergaard Frandsen.
In July 2012, DelAgua piloted & distributed 100,000+ Vestergaard-Frandsen LifeStraw® Family 2.0 water filters in the Western Province of Rwanda.
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?
LifeStraw Family 2.0 achieves ultrafiltration via hollow fiber technology whereby water is gravity fed through narrow fibers. When untreated water is poured into the feed water bucket, the textile prefilter removes coarse particles larger than 80µm. Gravity pushes the water with particles finer than 80µm to flow towards the membrane cartridge. Ultra filtration takes place in the membrane cartridge – a pore size of 20 nanometre retains bacteria, viruses, parasites and fine dirt particles. Filtered water collects in the safe storage tank, which has a capacity of 5 liters and includes a tap to provide an outlet for purified water. The storage tank can be opened for cleaning. Backwashing of the membranes is done by pressing down on the cleaning lever. Dirty water flows to the small red tank. The dirty water should then be discarded.
Community health workers and the Del Agua Country Team provide technical support for Lifestraw® Family 2.0. Minimal training and assembly is required by the customer/user.
Vestergaard Frandsen provides local and international customer service through its 11 regional customer support offices across Africa, Asia, Europe and the Americas.
No replacement components are stated as being necessary. Schematic does refer to an ‘ultrafiltration membrane cartridge’ but no replacement requirement of this is mentioned elsewhere.
LifeStraw® Family 2.0 water filters up to 30,000 L of water , enough to supply a family of five with clean drinking water for three to five years.
Estimated lifetime filtration capacity of 30,000 liters, removal of 99.9999% bacteria, 99.99% protozoan parasites, 99.999% viruses, turbidity reduction, and no electricity requirement.
LifeStraw® Family 2.0 uses LifeStraw® Family ultrafiltration technology, which:
- Satisfies the criteria of the “Highly Protective” category for microbiological performance specifications as defined in WHO’s 2011 Evaluating Household Water Treatment Options: Health-based targets and microbiological performance options
- Complies with the US Environmental Protection Agency (EPA) 1987 Guide Standard and Protocol for Testing Microbiological Water Purifiers
Laboratory studies, certifications, published field studies and field reports from implementers can be found in the LifeStraw Evidence Dossier.
Vestergaard Frandsen have tested LifeStraw® products via labs at Intertek, Vietnam, The University of Arizona Department of Soil, Water and Environmental Science, Para Membranes Co. Ltd, Korea, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London. Details can be found in the LifeStraw Evidence Dossier.
Users must be cautious with avoiding cross contamination of the clean water container and not consume water from backflush.
Lifestraw® Family 2.0 filters work best with a table mount or other raised surface.
Barstow, C.K., et al., 2014, Designing and Piloting a Program to Provide Water Filters and Improved Cookstoves in Rwanda, PLoS ONE, 9(3).
Thomas, E. A., et al., 2013, Remotely Accessible Instrumented Monitoring of Global Development Programs: Technology Development and Validation, Sustainability, 5(8), pp. 3288-3330.
Barstow, C.K., Nagel, C. L., Clasen, T. F., and Thomas, E. A., 2016, Process evaluation and assessment of use of a large scale water filter and cookstove program in Rwanda, BMC Public Health, 16(584).
Tellez-Sanchez, S. L., 2016, Household Water Filter Use Characterization in Rural Rwanda: Signal Interpretation, Development and Validation, MS. Dissertation, Portland State University, Portland, OR.
Lifestraw® Family 2.0 filters successfully passed Intertek Quality Inspection for compliance with the EPA guidelines. Additionally, the filters exceeded the requirements for a “Highly Protective” water treatment device as defined by the World Health Organization.
Partner company DelAgua utilizes mobile data collection and a central database for programme implementation, analysis and record keeping. All distributions, education and evaluation activities are conducted through smart-phone based database tools. The project falls under the UN’s Clean Development Mechanism, with carbon credits being earned only after rigorous external monitoring of continued use of the new water filters and cookstoves and the resultant benefits.
LifeStraw® Family 2.0 utilizes the same membrane technology as LifeStraw® Family 1.0. Therefore, studies conducted on the efficacy of LifeStraw® Famly 1.0 can also be attributed to LifeStraw® Family 2.0. This product has been evaluated for microbiological and turbidity removal, proper function, and membrane pore size by third-party laboratories.
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