Voltage 12, Wattage 20, Lumens 320, Base GY6.35, Shape T4, Overall Length (mm) 44, Life Hours 2000, Kelvin 3000, CRI 100, Color CLEAR, Filament AXIAL, 58663, HALOGEN BULB - TUBULAR - AXIAL FILIMENT, 20T4QCLAX, Manufacturer: Osram-Sylvania Marco - 6025 Projector Chart - Q20T4/CL/AX Replacement Light Bulb - Equipment to Lamp -58663 - HALOGEN BULB - TUBULAR - AXIAL FILIMENT, 20T4QCLAX - Manufacturer: Osram-Sylvania