Purify Water. Anywhere. The Grayl Ultralight replaceable Purifier Cartridge is suitable for the rigours of global travel, outdoor adventure, and emergency use. Full-spectrum purification (+filtration) provides ultimate protection against pathogens, particulates, chemicals and heavy metals. Removes 99.9% of most waterborne viruses.

This cartridge fits the Grayl ultralight Geopress  series only.  

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.); activated carbon effectively adsorbs chemicals, pesticides, heavy metals, flavors, and odors.

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

Cartridge shelf life: stored under proper conditions, an unused (and airtight) purifier cartridge has a shelf life of 10 years BPA-Free materials: made from polypropylene #5, food-grade silicone, TPE, ABS food-grade plastic

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