Key Facts
Capacity: 16 oz (473 ml)
Active Technology: ion exchange, ultra-powdered activated carbon
Flow Rate: 15 seconds per 16 oz (2 liters/minute)
Removes: waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts), including Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more.
BPA-Free materials: made from polypropylene #5, food-grade silicone, TPE, ABS food-grade plastic
Grayl makes two water purifier bottles: the
Grayl Geopress and the
Grayl Compact Ultralight bottle. There are some differences between the two including size and capacity.
That said, the main concept is pretty much the same; the bottles’ purifier water using a French-press style system that pushes dirty water up through a filter and into the clean water inner bottle.