The Crawlair Mobile cartridge filter system is designed to extract dry impurities such as fumes or dust at various industrial processes, especially welding, grinding, polishing, cutting of metals or plastics. The Crawlair unit is equipped with a metal mesh spark trap pre-filter and two high efficiency (99% at 1μm) polyester filters with built-in manual or timer controlled compressed air cartridge cleaning system via the 10-litre built-in tank. Wheels & brakes make the Crawlair easy and simple to move around the workshop. Additional front air inlet allows connections to other production equipment. As an option Crawlair unit can be equipped with automatic start/stop function and LED light for fume arms.