Oskar portable filtering unit rollout is designed to exhaust and filter dry impurities. A highly efficient filtering cartridge makes it possible to use rollout for such processes as welding, grinding, polishing, cutting of metals and plastics and much more. A self-supporting 3m, 160mm diameter fume arm is included with the unit as a part of a package. It has three stage filtering: perliminary metal filter, main polyester cartridge and final carbon filter.