Diode Dynamics H11/H8/H9 White SL2 LED Bulbs (pair)Features Direct plug and play replacement bulb. Available in white or selective yellow. Automotive grade LEDs for superior performance. Fanless design provides high reliability. Backed by limited lifetime warranty. Designed and engineered in USA (Patents Pending). Introducing the SL2 LED Bulb! As a replacement for our popular SLF bulb, the SL2 features a number of upgrades, including a more compact design, internal driver, and improved reliability.