Sawyer Mini Water Filtration System in blue. Filters up to 100,000 gallons. Ideal for outdoor adventures. -Attaches to included drinking pouch, standard disposable water bottles, hydration packs, or use the straw to drink directly from your water source -Removes 99.99999% of all bacteria (salmonella, cholera, and E. coli); removes 99.9999% of all protozoa (such as giardia and cryptosporidium); also removes 100% of microplastics.