Mascarello&reg;New Pure Ceramic Replacement Water Filter Purifier For Hiking Camping Survival Unique dual ceramic membranes cartridge Entirely removes bacteria in water like Escherichia coli, Staphylococcus aureus, Salmonella typhi, Vibrio cholerae, Legionella pneumophila, Giardia intestinalis. Filters out particles down to 0.1 micron  compare to the best commercially available unit that can only filter down to 0.2 micron! Entirely removes suspended contaminants of protozoa, algae, worms, dusts, etc. Nano-metal clusters media Highly efficiently removes heavy metal ions in water such as Pb2+, Cd2+, Cr6+, As3+, etc. Efficiently decreases organic pollutants