OSRAM COOL BLUE BOOST H4, halogen headlight lamp, 62193CBB HCB, 12 V passenger car, duobox (2 units), Duo Box

OSRAM COOL BLUE BOOST: Hyper blue light Color temperatures of up to 5,000 K Up to 50% more light (compared to other blue coated halogen lamps) Full portfolio in duo box: equivalent to H1, H4, H7, H9, H11, HB3, HB4 Please note: These lamps are not approved for use on public roads. Use on public roads leads to cancellation of operating license and loss of insurance coverage*