The 570 provides the same professional power and performance in either mode, wet or dry, when the need is for bigger but still portable. The design, construction and performance must be experienced to be believed. The heavy-duty Structofoam construction with user-friendly features; can be used anywhere and emptied quickly and easily. All machines are wet or dry and the change from one to the other is designed to be simple, exchange a dry filter for wet safety float valve and a change of floor nozzle, or vice versa. There is a choice of one or two-motored models, both of which include the NuCable replaceable cable system as standard. A tool for every job, always on hand and packs neatly away, with professional BS8 accessory kit. Powerful & Professional Performance - Professional, powerful, long-life TwinFlo bypass motor. Built to Last - Heavy-duty Structofoam provides tough professional construction. Ready for Wet or Dry - Professional results in either mode with accessories provided.