Crompton 18 watt 240 volt DULUX D G24d-2 cap Lumilux cool white (colour 840) compact fluorescent lamp for conventional control gear (CCG). 18 watt CFL is equivalent to Approx. 100 watts GLS. The widest part of the lamp is the base which is 34mm in both directions & the length including cap is 153mm. Ideal for miniature luminaires & downlights for shallow recesses & for new lighting systems. Only 20 to 25% of the power consumption of GLS lamps of comparable light output. Pleasant warm light with very good colour rendering. Eight times the life of GLS lamps for long relamping intervals. Single ended plug-in base with integrated starter & RF suppression capacitor.