How do LifeStraw Membrane Microfilters work?

LifeStraw Membrane Microfilters are made of hollow fiber membrane technology. These membranes contain microscopic pores of 0.2 microns in diameter.  When dirty water enters the filter, the microscopic pores block bacteria, parasites, microplastics, dirt and other forms of turbidity which are larger than the pore size.  Clean water is then able to pass through the membrane for drinking.  

LifeStraw Membrane Microfilters are capable of removing 99.999999% (log 8) of bacteria (including E. coli and Salmonella), 99.999% (log 5) of parasites (Giardia and Cryptosporidium) and 99.999% (log 5) of microplastics.  

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