Experience unmatched brightness with GTR Lighting Festoon Bulbs! Illuminate your surroundings with 360-degree coverage for superior visibility. Engineered for durability, these bulbs are equipped to handle heavy workloads, ensuring years of reliable performance. The innovative design features a uniform opaque shell, delivering clean and consistent lighting without hot or cold spots. Say goodbye to compatibility concerns – our bulbs come with Canbus integration, eliminating bulb-out warnings without the need for extra wiring or resistors. Upgrade effortlessly as these Festoon bulbs seamlessly fit 41-44mm sockets and are compatible with various part numbers, including C5W, DE3423, DE3425, 6411, 6418, 569, 578, 579, 6413, 6429, 211-2, 212-2, 214-2, and 2122 dome light bulbs. Illuminate your world with GTR Lighting and experience exceptional clarity and reliability like never before!