Stay hydrated and ready for any adventure with the Grayl 16.9oz UltraPress Purifier - Covert. This compact purifier transforms sketchy freshwater into clean, drinkable water in seconds, making it essential for hikers, travelers, and explorers. Toss it in your pack, cup holder, or pocket for effortless water filtration wherever you roam—whether filling your hydration reservoir, prepping for a meal, or quenching your thirst. With its stealthy design and fast flow, it's your ultimate sidekick for life off the beaten path.

Benefits
Removes waterborne pathogens (99.99% of viruses, 99.9999% of bacteria, 99.9% of protozoan cysts).
Filters out Rotavirus, Hepatitis A, Norovirus, Giardiasis, Cryptosporidium, E. Coli, Cholera, Salmonella, Dysentery and more.
Ultra-powdered activated carbon adsorbs many chemicals (including PFAS & VOCs), pesticides, herbicides, heavy metals, flavors and odors.
Filters particulates (sediment, microplastics).

Tested by a certified laboratory to meet or exceed NSF/ANSI protocols 42 and 53 for sediment, pathogen and chemical removal; meets the EPA Guide Standard and Protocol for testing microbiological water purifiers.