... design 3.Import material Advantagesair dust filter cartridge1.High precision cellulose paper filter cartridge2.Wide pleat, easy-cleaning design3 ... .Import material 3.Import material Filter material1.HV HV Typical Cellulose paper2.HV/B ... , steel mill blast oxygen station, furnace blast air station, power plant etc. air intake filter.Product DetailsProduct Procedure&Packing Process