The advanced LifeStraw technology provides two-stage protection for most waterborne diseases. The membrane microfilter removes 99.999999% of bacteria, 99.999% of parasites and 99.999% of microplastics (lifetime 2,000 L). Replaceable activated carbon capsule reduces leads and chlorine, improves taste, reduces bad odour and organic chemical matters (lifetime 100 L). You can change the carbon filter separately.
LifeStraw’s membrane microfilters are made of hollow fibre membrane technology. These membranes are made of small straws that contain microscopic pores of 0.2 microns in diameter. Dirty water enters one side of the straws and clean water passes through the pores while bacteria, parasites, microplastics, dirt and other forms of turbidity are blocked and unable to pass through because they are too large. The result is safe drinking water flows into a clean chamber for drinking while contaminants are blocked
LifeStraw Activated Carbon Filters improve water taste by removing chemicals such as chlorine and odours. The activated carbon has been treated with specific processes to open millions of tiny pores between carbon atoms. LifeStraw uses an advanced, special formulation that is made from fibres instead of traditional granulated carbon which improves longevity and performance. This process works via adsorption - contaminants become trapped inside the pore structure of the carbon and bind to the surfaces of the fibres. Over time, once all surface areas are full, the carbon filter must be replaced.