Light Bulb 21W E27 LED a light source from the brand Flos. The lamp has an E27 socket and a light temperature of 3000K which gives a white glow. Light Bulb 21W E27 LED is dimmable. Using an LED light source is a more environmentally friendly option as it lasts much longer than a regular light bulb and draws up to 90% less power than incandescent and halogen lamps. LED lamps also do not generate heat, which minimizes the risk of fire. The light source fits, among other things, the models Bibliotheque Nationale, Diabolo and Stylos from Flos.