Personal drinking water purification tube

摘要

A portable personal water filtration and purification device which includes an elongate tubular filter housing with layers of mechanical filtration and contains a layer of granular activated charcoal impregnated with silver located between the layers of mechanical filter medium. A mouthpiece limits the rate of flow of water through the filter unit, while making it convenient to draw water through the filter. In one embodiment, a filter unit is attached to a flexible drinking tube and the filter unit is located within a portable water container conveniently carried by a person.