Geopress REPLACEMENT Cartridge by Grayl

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. Features: Removes waterborne pathogens (viruses, bacteria, protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more. Filters: particulates (sediment, microplastics) and many chemicals, pesticides, and heavy metals Improves taste, smell and clarity. Tech Specs: Active Technology: Electroadsorption and ultra-powdered activated carbon. Chemical-free: Yes Size: 2.9" (7.3 cm) H x 3.1" (7.8 cm) W Weight: 3.8 oz (108 g) Removes: waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts)