Tornado 55 Gal Black/Yellow Pneumatic 2-Head Vacuum Cleaner have been developed specifically to cover industrial rapid high-volume recovery environments. Our air Jumbo's work exceedingly well handling the following maintenance challenges: Heavy oil, machine oil, printer's and other inks, sludge and most all other industrial wet pick up problems. Patented venturi powerheads are fitted on a rolled top 55 Gal drum all of which sits on a heavy-duty 4-wheel steel dolly for easy transport. Order in either dual head or quad head configurations. Specific air line and air compressor HP requirements apply as detailed on our product brochure.