Lightweight and compact, the Emergency Water Filter System fits in the smallest day pack, waist pack, backpack pouch or pocket. The filter can be used to drink from any bottle or cup, or directly from water sources. The activated carbon inside the filter helps reduce waterborne chemicals and improves water taste. The filter removes contaminates down to 2 microns in size including wide spread pathogens such as Giardia, Cryptosporidium and large bacteria such as E. Coli. The Filter can also be used in conjunction with chemical treatments for maximum protection against pathogens and contaminates. Ideal for use when traveling, hiking, fishing, camping, hunting, backpacking, mountain biking, etc.