Polygee'sBGSeriesIndustrial Air Purifieris a professionally designed and well produced filtration or purification unit, which requires no filtration media replacement".Appliactioans: Waste Industrial Air Purificaiton1, Metalworking: Welding; Grinding; Cutter (laser or Linear Cutting) Quenching/Dipping2, Plastic Processing3, Texitle textile industry waste air purification4, Chemistry Industry5, Other Waste Industrial Air PurificationThe extractor features tri-step filtration/purification,**first a metal mesh pre-filtrating the big size contamination;**second a master purification unit ionizing and collecting micro-particles with minimum size 0.01μM and the max efficiency 99.9%;**third an active carbon filtration as the odor-eliminator.Casings are constructed of high-quality mild steel and powder-coated (custom colors available for this air purifier).BGSeries Industrial AirPurifieris easy to install and fix on the wall or frame, custom designs according to different working situations and applications are available.