For a variety of Air Pollution Control Devices Used in Industries, can effectively remove hydrogen chloride gas (HCl), hydrogen fluoride gas (HF), ammonia gas (NH3), sulfuric acid mist (H2SO4), chromic acid mist (CrO3), cyanide gas (HCN), alkali vapor (NaOH), hydrogen sulfide gas (H2S), Fulmarin (HCHO) and other water-soluble gases.