Ultrasonic nozzles, of course! Allianz Arena is home to a world renowned sports club in Munich. This state-of-the-art football stadium officially opened in May 2005,  and features illuminating exterior panels capable of displaying three different colours: red, blue, and dazzling white. Where do the ultrasonic nozzles come in? The stadium’s plastic cover is currently being maintained by spraying a laser bonding chemical using Sono-Tek’s AccuMist ultrasonic nozzle configured as a portable hand held spraying unit capable of maintaining the panels without having to disassemble the structure. No surprise to us here at Sono-Tek that our ultrasonic technology is contributing to one of the newest high tech, dynamic constructions on the planet: http://www.allianz-arena.de/en/index.php