dust purifier 1. ISO9001:2000 approved 2.Fold cartridge filter, compact structure, efficient use of land area. 3.Drawer type XC-CL type cartridge dust purifier.1. Fold cartridge filter, compact structure, efficient use of land area.2. Membrane cartridge filter has evidently improved the filtration efficiency; 3. Due to the contact of filtration media and water is over 108 degree, the damp dust ...