H13 HID Bulbs are dual filament HID replacement bulbs. The bulbs are sold in a pair (2 pieces) and come is two variation. You can either choose the standard H13 High/Low bulbs which give you HID Lights on your low beam only or you can upgrade to the H13 Bi-Xenon bulbs which will give you HID Lights on both your low beams and high beams.
Shop for h13 hid bulb Automotive at hidnation.com. h13 hid bulb are available in Golden Yellow, Pure White, Bright White, Ice Blue and Deep blue color.