The Grayl GeoPress is a simple-to-use water filter, just fill and press.
It has a capacity of 24 ounces (710 ml) GeoPress protects from global waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts), pesticides, chemicals, heavy metals, and even microplastics. In particular, Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, and Dysentery.
Using ion exchange, ultra-powdered activated carbon, it filters at the rate of 5 liters per minute, meaning it takes just seconds to fill the onboard bottle with clean water. The filter is rated for 350 cycles (65 gal. / 250L), as “press time” reaches ~25 seconds (or three years have elapsed since first use) it’s time to replace the purifier cartridge. Cartridges boast a 10-year shelf life.
Offered in several colors.
https://grayl.com/products/geopress-purifier-covert-black