The WHA-300 air purifier is suitable for large living areas, featuring more than 6,000 air holes in its front and air intakes on all four sides. In six steps, it eliminates even smallest particles. The 360-degree rotating air grille ensures effective air circulation. The air quality is indicated by the changing colour of the dust indicator, which can even detect PM 2.5 ultrafine particles. The device features a pull-out handle for moving it around easily.