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-3 with 4 metal pins. Osram DULUX T/E 26W/840 PLUS GX24q-3 Lumilux lamps have a size of 13.2 cm. Osram DULUX T/E 26W/840 PLUS GX24q-3 Lumilux Cool White providing light at a color temperature of 4000K, which corresponds to a cool white light. The color rendering index is also an excellent 80-89Ra. Also, the Osram DULUX T/E 26W/840 PLUS GX24q-3 Lumilux lifespan is very long, up to 13000 hours. These lamps are also very energy efficient, they have an energy label classified A.