MASTER PL-S
Choose your CFL PHILIPS MASTER PL - S 2 p (2 pins) or PHILIPS MASTER PL - S 4 p (4 pin)Depending on the power (5W, 7W, 9W and 11W) and hue (827, 830 and 840). 827 yellow = as of the halogen, 830 light is a little less yellow, 840 = white.