Philips CityWh CDO-ET Plus 50W 828 E27 at unbeatable prices! Customer service available to help you! Significant discounts on large quantities! Contact us! Philips CityWh CDO-ET Plus 50W 828 E27 technical characteristics Philips CityWhite CDO-ET light bulbs are metal halide ceramic discharge lamps that are comfortable and safe. They give the impression of a warm white color light and are high quality. Their color rendering index is also excellent, more than 80Ra. Master CityWhite CDO-ET Plus directly replace Philips SON lamps on HPS installations.