The UV-STICK device can be switched on during work breaks, always when the staff is not present, so it radiates multiple surfaces. In environments, the natural recirculation of the currents also allows air treatment, which, purified by the microbial load, creates a perfect and healthy environment. It is shown that the control and the increase of hygiene level allows a consequent and general increase in quality both in healthcare facilities but also in pharmaceutical sector, in microbiological laboratories, etc.