Hollow membrane fibers and ultra-filter fiber devices ( UFD) are used for water purification using reagent-free membrane technology in a number of modifications of field water supply stations and installations in areas of emergencies and natural disasters, man-made disasters, as well as temporary settlements of people in hard-to-reach areas, in railway mobile complexes, etc.
Ultra-filter fiber devices are compact and easy to operate, purify water from suspended organic compounds, radioactive substances, bacteria and viruses.