Efficiency No running around to connect hoses and cables to different outlets and connectors Safety No hoses or cables on the floor = less risk of personal injuries less wear and damages on hoses and cables Ergonomics The tools are ergonomically and conveniently within reach on the holders and kept off the floor Cleanliness Easy access to vacuum for cleaning and on-tool extraction helps to keep the workplace clean and tidy at all times. Less wear on vehicles and premises Energy saving Automatic vacuum valves close the vacuum supply when vacuum not is used