Siemens Monitors for Siemens system 3, thru system 840C using CRT. Including 9″ monochrome (green), 12″ mono and color and 14″ color replacements. Siemens monitor display equivalent are plug n play, fit no problems and come with either 12 month warranty if a CRT replacement (9″ mono only) or 2 year warranty is LED / LCD / TFT.