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COMPATIBLE WITH GRAYL GEOPRESS Water Purifier (not included), this cartridge provides OnePress global protection for drinking water from sketchy sources
REMOVES WATERBORNE PATHOGENS, including viruses, bacteria, and protozoan cysts (e.g. rotavirus, hepatitis A, norovirus, giardiasis, cryptosporidium, E. coli, cholera, salmonella and dysentery, and more)
ACTIVATED CARBON effectively adsorbs many chemicals, pesticides, heavy metals, flavors and odors; filter removes microplastics and other particulates
INDEPENDENTLY TESTED & LABORATORY CERTIFIED to meet or exceed NSF protocols 42 and 53 for pathogen and chemical removal
Cartridge is rated for 350 cycles (65 gal./250L); Unused purifier cartridge has a shelf life of 10 years when stored properly
Replacement purifier cartridges for the GeoPress® are designed to last 350 cycles (65 gal. / 250L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge press time increases towards the end of the cartridge lifespan; when press time reaches 25-30 seconds, the cartridge should be replaced. Cartridge continues to protect, even as press time increases.