LifeStraw Family 1.0
A family-sized household water filtration unit.
LifeStraw® Family 1.0 is a high-volume, point-of-use water purifier for use in homes without access to clean water from municipal sources. It helps prevent often deadly waterborne diseases for families in developing countries and is effective in emergency settings following natural disasters which can contaminate water.
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. Sawyer Water Filters, SRI Advanced Hollow Fiber Membrane for Water Purification, Mar Cor’s FiberFlo Hollow Fiber Filters, GE’s ZeeWeed ultrafiltration (UF) hollow-fiber membranes and LifeStraw Family 2.0.
Goal 6: Clean water and sanitation
Households without access to clean water from municipal sources.
Mass produced. Interview with representative
IP Protected (Patent application number 20100044321) Interview with representative
In 2011, 877,500 LifeStraw Family 1.0 water filters were distributed in Kenya to provide sustainable access to safe drinking water for 4.5 million people. Vastergaard has over 50 full time employees based in Western Province of Kenya who are managing programs. By end of 2019, the LifeStraw Give Back Program will have reached 1870 schools, 3,367,145 sudents 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?
LifeStraw Family achieves ultrafiltration via hollow fiber technology whereby water is forced through narrow fibers under high pressure.
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 down the plastic hose towards the purification cartridge. The purification cartridge, which contains a hollow-fibre membrane of 20nm porosity, stops all particles larger than 20nm but bacteria, protozoa, and other contaminants are trapped inside the hollow fibers and are flushed out by backwashing.
Available in an online manual.
Lifestraw Family units are monitored by trained community representatives employed by Vastergaard. Lifestraw users must be trained on the operation and maintenance of the units. Representatives conduct visits to homes to analyze and report on units that are not operating normally. Interview with representative See here:Customer support offices.
Replacement systems are available if community representatives determine that the unit is faulty. All units are tracked via QR codes by representatives. Interview with representative
Guaranteed up to 18,000 Liters (4,750 Gallons). According to Vastergaard, enough to supply clean drinking water for a family of five for up to 3 years.
Manufacturer specifies the following:
- Removes minimum 99.9999% of bacteria (>Log 6 reduction)
- Removes minimum 99.99% of viruses (>Log 4 reduction)
- Removes minimum 99.9% of protozoan cysts (>Log 3 reduction)
- Removes turbidity
- Requires no electrical power, batteries or replacement parts
- Requires no running water or piped-in water supply
- Has an easy-to-clean prefilter and purification cartridge
- All raw materials are US Food and Drug Administration compliant or equivalent
Laboratory assessment of a gravity-fed ultrafiltration water treatment device designed for household use in low-income settings. This study was funded by Vestergaard Fransen, ran by London School of Hygiene and Tropical Medicine, and University of Arizona is the independent laboratory that tested and produced these results via EPA Protocol and Guide Standard for Testing Microbiological Water Purifiers. – Part of LifeStraw Family Evidence Dossier (available by request)
LifeStraw® Family Quality Inspection by Intertek, Vietnam
Assessment of the LifeStraw Family Unit using the World Health Organization Guidelines for “Evaluating Household Water Treatment Options: Health-based Targets and Performance Specifications”, 2011. by the University of Arizona Department of Soil, Water and Environmental Science. Authors: Jaime Naranjo, B. S. and Charles P. Gerba, Ph.D.
Rotavirus Reduction by LifeStraw Family 1.0 Filters, 2013 by the University of Arizona Department of Soil, Water and Environmental Science. Authors: Jaime Naranjo, B. S. and Charles P. Gerba, Ph.D.
Confirmation of 20 nano meter pore size by Para Membranes Co. Ltd, Korea
Test have been perfomed by London School of Hygiene and Tropical Medicine, University of Arizona, Intertek Vietnam, Para Membranes, Vestergaard Certification, Assorted Lab Assessments in-country: Pro-Lab (Brazil), Universidad de Antioquia (Colombia), Ministry of Water Resources Lab (Ethiopia), Water Research Institute (Ghana), Delhi Test House (India), Water Aid Lab(Madagascar), Qualibet (Philippines), Rwanda Bureau of Standards (Rwanda), Umgeni WaterAmanzi (South Africa) Interview with representative
Contamination of filtered water is possible with exposed/improper handling and storage.
The improved performance of this model has been addressed by the new and improved LifeStraw Family 2.0, which is now being released to the market.
Clasen, T., et al., Laboratory assessment of a gravity-fed ultrafiltration water treatment device designed for household use in low-income settings, Am J Trop Med Hyg, 2009 May;80(5):819-23.
Pérez-Vidal, A., Díaz-Gómez, J., Salamanca-Rojas, K. L., y Rojas Torres, L. Y., 2016, Evaluation of drinking-water treatment by Lifestraw® and Ceramic-pot filters, Revista de Salud Pública, 18(2), pp. 275–289.
Elsanousi, S., Abdelrahman, S., Elshiekh, I., Elhadi, M., Mohamadani, A., Habour, A., […] and Hunter, P. R., 2009, A study of the use and impacts of LifeStraw™ in a settlement camp in southern Gezira, Sudan, Journal of Water and Health, 7(3), pp. 478–483.
Redfield, P., 2015, Fluid technologies: The Bush Pump, the LifeStraw® and microworlds of humanitarian design, Social Studies of Science, 46(2), pp. 159–183.
Complies with the US Environmental Protection Agency (EPA) 1987 Guide Standard and Protocol for Testing Microbiological Water Purifiers , US Food and Drug Administration, and meets 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.’
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