The V-TUF MAMMOTH240-STAINLESS is Large Capacity Industrial WET & DRY Vacuum Cleaner with a tank drain pipe to easily dump the load if you are sucking heavy material like liquids. There is a variety of filtration methods for various applications. It has arguably the most POWERFUL suction head on a 230 Volts / 13 Amp machine. V-TUF MAMMOTH240-STAINLESS has powerful \'twin impeller\' motors which are independently switched. This means you can choose your suction power by selecting the number of motors on at any given time. The MAMMOTH240-STAINLESS comes as standard with a AQUA DRY basket ‘easy to wash’ filter for sucking a broad range of materials from liquid, solids to dust. Some companies keep a spare AQUA DRY filter for a quick change over in busy times. The MAMMOTH240-STAINLESS does not have any expensive circuit boards.