OMNILUX OQI-TS 400W Fc2 6000h 8000K is a 400 W tubular discharge lamp with clear glass, an Fc2 base, a nominal operating voltage of 90 V, and a rated life of 6000 hours. The lamp produces cold white light at 8000 K, requires an ignition device, and provides good colour rendering and high light output. Dimming is not permitted. When used with silicate-glass coverings or light-sensitive materials, an additional UV filter is required.