Available on back-order
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Look at the bottom of your bulb to identify if your instrument is 2.8v (blue – dry cell battery) or 3.6v (red – rechargeable)
Measure the length of the bulb as shown above. The length of the Keeler Specialist Ophthalmoscope Bulb is 28-29mm.
To see the full range of Keeler Bulbs, click here