Replacement Cartridge for Grayl Geopress Purifier

Active Technology – Ion exchange, ultra-powdered activated carbon.

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

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 unused (and airtight) purifier cartridge has a shelf life of 10 years.