Osram DULUX T/E are energy efficient fluorescent lamps with separate power supply, These lamps must be used with a ferromagnetic ballast and have 4 pin sockets. Each compact fluorescent lamp of this range has a base type GX24q-2 with 4 metal pins. Osram DULUX T/E 18W/840 PLUS GX24q-2 Lumilux lamps have a size of 11.7 cm. Osram DULUX T/E 18W/840 PLUS GX24q-2 Lumilux will provide a superior quality light, with a color rendering index superior to 80-90Ra, The light emitted will be cold and white: 4000K. Also, the Osram DULUX T/E 18W/840 PLUS GX24q-2 Lumilux lifespan is very long, up to 13000 hours, These lamps are also very energy efficient, they have an energy label classified A.