PATIENT MODEL 250 WATT HEATING ELEMENT  Replacement 250 Watt Ceramic Generator  Features ceramic heaters that change color from coral to gray when energized  Nickel-chromium resistance wire embedded in ceramic casting provides uniform heat transmission  96% thermal efficiency with low  element surface temperature  Inner body of the element is filled with ceramic fiber insulation  which conserves energy  maximizes efficiency and minimizes heat build-up at the terminal area  Heat-up time is 3-9 minutes to reach 90% of maximum temperature  Height adjusts 35  to 58   250 Watt Lamp  Recommended for those patients requiring supplementary heat treatments at home  12  flexible arm  3-conductor cord set  250W ceramic heater and protective screen