GP-Thunder 899-SGP75K 37.5W Hyper-White with Quartz Glass Bulbs for Fog - Day Time Runing Light Pair - 2 Bulbs GP Thunder 7500k 37.5W Standard Wattage (Authentic GP Thunder) Guarantee the Best bulbs you will ever get Plasma White Quartz Glass Xenon Look Produces only white light No Yellow! Quality! Brighter! Whiter! Sharper! And Safer