Ideal for: Hiking, Fishing, Hunting, Survival, Military, Foreign Travel, Emergency, etc. * High filtration fineness: unique dual ceramic membranes cartridge with mean pore size of 0.1 micron. * 99.9999% removes bacteria with 0.0001mm ceramic membranes cartridge * Material: ABS plastic, Ceramic, Nano-metal clusters media (NMC) * Turns rain, lake, and river water into drinkable water immediately!