10/06/2020
Nothing spoils a long than a bad stomach caused by microbiologically contaminated . from Vestergaard with a filter pore size of 0.2 microns, lifetime capacity of 4000 L and weighing it at 6.5 oz claims to remove 99.999% of (amoeba, cryptosporidium Parvin, Gardia..) and 99.999999% of (E Coli, Campylobacter, Vibrio Cholera, Shigella, Salmonella...). See lifestraw.com for more details.
