Metal Halide Quartz Bulb. Clear (4000K) 35w G12. Average hours 8000. Lamp size 19 x 100. 240 Volts. Eveready offer a carefully selected range of metal halide lamps to suit todays most popular requirements. The metal halide range covers double and single ended with both quartz and ceramic element alternatives. * UV stop glass * Heat lamps (suitable for the catering industry * Metal halide require enclosure with cover glass * Ignitor required.