Grayl Geopress Purifier Bottle 710ml

Active Technology
Electroadsorption and ultra-powdered activated carbon.

Fastest Flow Rate
8 seconds per 24oz (5 liters/minute)

Removes
Waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more.

Filters
Particulates (i.e. silt, microplastics, etc.); ultra-powdered activated carbon effectively adsorbs chemicals (including PFAS & VOCs), pesticides, heavy metals, flavors, and odors.

One-Way Electrolyte & Drink Mix Valve
Six duck bill valves prevent back flowing of water (or other beverages) through the Cartridge (Version 2) while also allowing clean filtered water to pass through the Cartridge into the Inner Press.

Durability
Built tough to perform in harsh conditions and withstand 10 ft drops at full capacity onto concrete.

Cartridge lifespan
Rated for 350 cycles (65 gal. / 250L), as “press time” reaches ~25 seconds (or three years have elapsed since first use) it’s time to replace your purifier cartridge.

Cartridge shelf life
Stored under proper conditions, an unopened Purifier Cartridge has a shelf life of 10 years. After a cartridge has been used, it lasts at least 3 additional years.

Testing standards
Independently tested by a certified laboratory to meet or exceed NSF/ANSI protocol 42 and 53 for pathogen and chemical removal; meets the the United States Environmental Protection Agency's Guide Standard and Protocol for testing microbiological water purifiers.