H4 12V 60/55W SAPPHIRE PLUS 50 HALOGEN HEADLIGHT GLOBES (BL2). Using revolutionary new filament technology the sapphire Plus 50 provides a light output of up to 5000°K. When other road users look at a headlamp with Sapphire Plus 50 globes installed, the appearance is an eye catching sapphire blue colour providing a truly premium look and increasing the visibility of the car. From the driver’s seat the light appears much whiter and with 50% more light on the road makes driving at night easier.