#FILTERBANDANA Water Filter: Removes contaminates in water. Serves as field expedient filter. Promotes decomposition of pollutants: mould, mildew, bacteria, and other microorganisms. Particulates larger than sieve pours are captured and filtered from water. A 3 layer hank with highly porous, built-in carbon fiber cloth. The filter is centered in the center of the bandana allowing you to treat water on the fly using as a straining system or use as a hand to mouth mask to shield from the effects of gases/smoke and airborne contaminates. Gas Mask: Removes harmful particles and contaminates such as carcinogens, exhaust, and other pollutants (such as formaldehyde, toluene, hydrogen sulphide and ammonia). Serves as barrier against poisonous gas such as benzene and carbinol and airborne pathogens. SPECS: 2 cloth layers, 1 carbon fiber layer approx. 4"x4" sewn inside the center between layers, est. 12" x 12" size. Use the code is "SSjoeprep"and it will give you 20% off! #hanks #edchank #edchank #handkerchiefs #waterfilter