1) H15 up to 3700K 2) Compared to the standard bulb
Osram Cool Blue Boost 12V - up to 75% whiter light (5500K) - MK LED
OSRAM COOL BLUE INTENSE H4 Halogen projector lamp 64193CBI-HCB 4200
Brand - Osram, Brand - Osram
Osram Cool Blue Intense 12V - up to 20% more light - up to 35% whiter light (4200K) - MK LED
XENARC COOL BLUE INTENSE
Osram Cool Blue Intense NEXT 12V - up to 100% more light - up to 60% whiter light (5000K) - MK LED
Osram Cool Blue Intense NEXT GEN H4 9003 halogen bulbs have a slightly whiter color of 4200K than the standard halogen bulbs for cars and SUV. Great balance of color and brightness. Best price, guaranteed.
Osram Cool Blue Intense Next Gen H4 (Twin)
OSRAM Cool Blue Intense, road test
OSRAM Cool Blue Intense, road test