Compressed-air blowguns are one of the most common tools in the world today. But compressed air is an expensive energy source that takes up about 10 percent of the total energy cost in the industry worldwide. Blowing with compressed air also generates dangerously high noise levels and is a common cause of hearing impairment in the manufacturing industry. During the last five years, Silvent and Veryday have put a lot of effort into developing the Pro One based on extensive user studies.