6Volt 4.5 A with Flange
You've invested alot into your Haag-Streit slit lamp. Why use generic bulbs. Using Haag-Streit Brand bulbs will ensure that your slit lamp will continue to function as it was intended when you first purchased it.
Haag-Streit 930 Slit Lamp Bulb (Brand)
Bulbs are not returnable