Illuminate your projector or microfilm reader with this top-quality lamp bulb from G.E. With a voltage of 21v and power of 80w, it is compatible with various brands including ab, dick, For Kindermann, bruning, northwest, and am. This high-performing and reliable bulb is perfect for film photography, slide and movie projection, and other photo-related applications. Get your hands on this must-have accessory and enjoy bright and clear images every time.