General Electric 85379 LU400 ECO High Pressure Sodium Lamp is a GE-made high-pressure sodium lamp identified by the LU400 ECO designation and part number 85379. This lamp is described as a light bulb and represents GE's LU400 ECO line within the High Pressure Sodium family. As an HPS lamp, it is a bulb-style light source designed for applications that require high-pressure sodium illumination.
