Introducing the ultimate solution for enhanced visibility -- GTR Lighting's Festoon Bulbs. With 360 degrees of brilliant illumination, these bulbs provide complete coverage, ensuring you see better than ever before. Engineered for durability, they're built to tackle any task with ease, making them a reliable choice for years to come. Crafted with a uniform opaque shell, these Festoon bulbs not only deliver clean, uniform lighting, but also eliminate hot and cold spots, maintaining a consistent glow. The robust design ensures protection of internal components, allowing for versatile use in any environment. Plus, with built-in Canbus integration, these bulbs are the answer to pesky bulb-out warnings when using LEDs, all without the need for extra wiring or resistors. Perfectly sized to fit 34-37mm sockets, these Festoon bulbs offer compatibility with a range of part numbers including 6411, 6413, 6418, DE3425, and DE3423. Elevate your lighting game today with GTR Lighting's Festoon Bulbs -- the pinnacle of brightness, longevity, and performance.