Voltage 6, Wattage 15, Base S50D, Shape T5, Overall Length (mm) 52.5MM, Filament FC6Z, 06-015-82, 6V-15W-S50D, Manufacturer: Osram-Sylvania Reichert/American Optical - 26301 - 70255 Replacement Light Bulb - Equipment to Lamp - 6V-15W-S50D - Manufacturer: Osram-Sylvania