A Daylight White 6500K 60 Watt T5 Circular Fluorescent Tube an energy saving shallow lamp offering excellent colour rendering and stable light output together with an impressive 10000 hour lamp life. Circular tubes are ideally suited to ceiling and wall mounted fixtures in commercial and domestic applications. The Daylight colour of this lamp is particularly suitable for applications where daylight simulation is required or necessary. This product is a tube only and requires control gear to operate.