99.9999% Removes Bacteria with 0.1 Micron Ceramic Membranes Cartridge Soldier Water Filter 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!