LifeStraw Go Series — BPA-Free Water Filter Bottle for Travel and Everyday Use Removes Bacteria, parasites and Microplastics, Improves Taste, 22oz Polar WhiteLifeStraw 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.