halogen 3.5v bulb for 11710,12400, 47300, 11600, 11605, 11610, 18000 heads

DESCRIPTION

• To determine which lamp part number you need, remove the lamp
  from the diagnostic instrument head and write down the past number,
  which is usually found on the side or the base of the lamp
• If you do not find the lamp number in the table at the right, contact us
  or your authorized Welch Allyn distributor