Voltage 24, Wattage 150, Lumens 4000, Base GZ9.5, Shape T4, Overall Length (mm) 68, Life Hours 100, Kelvin 3250, CRI 100, Color CLEAR, Filament C-6 OVAL, 37695, Quartzline Single-Ended, Manufacturer: GE Lighting Efos - 4074 - FDS Replacement Light Bulb - Equipment to Lamp - 37695 - Quartzline Single-Ended - Manufacturer: GE Lighting