Grayl GeoPress Replacement Purifier Black Cartridge

Grayl GeoPress Replacement Purifier Black Cartridge - 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
• Size: 2.9in H x 3.1in W
• Weight: 3.8 oz