UltraPress REPLACEMENT Cartridge by Grayl

Replacement purifier cartridges for the UltraPress™ are designed to last 300 cycles (40 gal. / 150L). 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: Ion exchange and ultra-powdered activated carbon Antimicrobial: Yes Chemical-free: Yes Size: 2.9" (7.3 cm) H x 2.7" (6.7 cm) W Weight: 2.8 oz (80 g) Removes: waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.