The Welch Allyn 04200 Bulb Equivalent is a replacement lamp suited for the following Fibre Optic Examination Lights:

• Exam Light 48700, 48780, 48600, 48625
  (NB: For non-US units, last digit of product # will vary by country. ie Aust 48706)

This bulb is made with halogen, which gives a whiter, brighter longer lasting light.