... Flexible&Angle&Double Tube HID Xenon Car Headlight Bulbs Hight&Low Light H4-3/9004-3/9007-3H12-H/L Reliable quality+ Best price ... environment. 6000k is the most popular.HID Xenon bulb series for option:H Series: H1,H3,H4 H/L,H7,H8,H9,H10,H11,H13 ... ,900 Series: 9004,9005,9006,9007,D Series: D1S,D1R,D1C,D2S,D2R.HID ...