Sylvania superia 0020308 cmi td 70wndl 4200k cool white rx7s 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 tds 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 96 lumens 7000 average life 15000hrs packing quantity 12 produ