Voltage 22.8, Wattage 50, Base G6.35, Shape T4, Overall Length (mm) 42, Filament AXIAL, 54257 (64650HLX), 22.8V-50W, Manufacturer: Osram-Sylvania Hanalux - 56115282 - 64650 Replacement Light Bulb - Equipment to Lamp -Hanalux - 56115282 - 64650 Replacement Light Bulb - 54257 (64650HLX), 22.8V-50W - Manufacturer: Osram-Sylvania