The professional ceiling lights NUVOLA and NUVOLINA are built with materials that allow easy cleaning and prevent bacterial growth. The elegant design and structure without openings make it perfect for use in surgical environments and without need for maintenance. MAIN FEATURES HIGH COLOUR RENDERING INDEX (>95): Gcomm ceiling lights provide a high colour rendering index and excellent colour vision in the mouth. BEST LIGHT SOURCES: Neon tubes with a CCT of 6500 K ELECTRONIC STABILIZED BALLASTS: allow immediate ignition, elimate "flick" and "strobe" effects in order to extend neon lifetime and therefore optimizing energy consumption.