This Official LifeStraw Go w/ 2-Stage Filtration 2 Pack will provide 528 gallons (2,000 Liters) of safe drinking water without using chemicals, iodine or moving parts.
1st stage filter uses advanced hollow fiber membrane technology (0.2 microns) to remove waterborne bacteria and protozoa up to 1,000 liters (264 gallons)
2nd stage filter uses replaceable activated carbon capsule to reduce bad taste, chlorine and organic chemical matter for up to 100 liters (26 gallons)
Removes 99.9999% of bacteria including, but not limited to Escherichia Coli (E-coli), Samonella and removes 99.9% of Protozoa including Giardia (Beaver Fever) and Cryptosporidum
The 22oz durable, leak-proof bottle is made of BPA-free Tritan and includes a carabiner for easy carrying