reverse jet pulse dust filter bolt dished top, weld coned bottom total volume 13581 ltr 250 deg C 2 sets of jets 6 bar @ 250 deg C, volume 26 ltr and 22 ltr (`77) 125mm diameter x 2.6m long filter cages, 2-400mm, 1-150mm, 2-50mm, 2-25mm, bottom: 1-200mm mounted on carbon steel lugs