LifeStraw Go Series – BPA-Free Water Filter Bottle for Travel and Everyday use removes Bacteria, parasites and microplastics, Improves Taste, 22oz; ClearLifeStraw Go Series is the ULTIMATE SIDEKICK. The BPA Free bottle filters out nasties so you can fill up from airport bathrooms, a tap in Mexico, or a gas station while road tripping IMPROVES TASTE: the Carbon filter reduces chlorine, odors + organic chemical matter FILTERS OUT CONTAMINANTS: the Membrane microfilter protects against 99. 999999% Bacteria (including E. coli + Salmonella), 99. 999% Parasites (including Giardia and Cryptosporidium), 99.