Xenon Vs Bi-Xenon Vs Hi-Low Beam - What's The Difference? - XenonPro.com
H4 6000K Diamond White High/Low HID Bulbs (Bi-Xenon 35/55 Watt)
HID Replacement Bulbs AC 35W Bi-Xenon Hi/Lo Beam
Amazon.com: Pack of Two H4-3 9003 Hb1 High/Low Bi-Xenon Beam Xenon HID Direct Replacement Bulbs (12V 35W, 6000K Super White) : Tools & Home Improvement