Sylvania superia 0020310 CMI-TD 150W/NDL 4200k (COOL white) RX7s-24. Also known as CMH-TD and HCI-TD. CDI-TD lamps are compact, single-ended discharge lamps with a high efficiency. CDI-TDlamps are frequently used in shops, shop windows, public buildings and offices. CDI-TD\'s can also be used outdoors for floodlighting and pedestrian areas. This CDI-TD lamp is available in colours 830 and 942. Colour Temp: 4200k CRI: 93 Lumens: 15000 Average life: 15000hrs Packing quantity: 12 Product no: 0020310