LifeStraw Community

The LifeStraw® Community purifiers filter 25 liters of impure water at an estimated flow rate of 12L/hour of purified water. The filtering process is as follows:

• 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 0.080mm
• The ultrafiltration hollow-fibre membrane cartridge 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 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

Full specifications are shown in the included image from the LifeStraw® Community user manual published May 2013

Vestergaard Frandsen provide technical support for Lifestraw® Community purifiers. Minimal training and assembly is required by the customer/user.

Lifestraw® Community purifiers provide a minimum of 70,000 – 100,000 liters of safe drinking water. This is said to be sufficient to serve large groups of people for several years. Vestergaard Frandsen offers a 1 Year Limited Manufacturer’s Warranty

Lifestraw® Community purifiers use 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

Users must be cautious with avoid cross contamination of the clean water container and not consume water from backflush area.