Portable industrial air filtration device

摘要: Various embodiments of the present disclosure provide a portable industrial air filtration device employing an annular dual filter assembly to capture and remove impurities from surrounding device, enabling quickly efficiently improve quality safety air. The includes two-piece housing including lower component locking cover removably attachable component. is mounted within between component, removable self-supporting outer pre-filter separately inner HEPA filter. initially filters by capturing relatively large or coarse impurities, further pulled through small fine impurities.