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The Welch Allyn Otoscope 3.5V Halogen Replacement Lamp (#4514-1) can be used to replace the halogen lamp on the Welch Allyn Otoscope. This item's Welch Allyn part number is #03100. It is manufactured by American Diagnostic Corporation.
Note: This is a replacement bulb only.
The replacement lamp is designed to produce a bright, white light and provide up to 20 hours of continuous use.