[Clearray Bulb] 6472-841 is a pool light bulb designed for spa hot tubs. [Compatibility] This light bulb is compatible with Jacuzzi spas series J-200, J-300, J-400, J-LX, J-LXL, and 2012 and newer Sundance spas tubs. It replaces part numbers 6472-841, 6472-857, 94-1552, 3LRK, and UVL-3LRK-1. [How to Install] Installing Clearray light bulbs takes only a few minutes. Follow these steps to replace your bathtub light bulb: ① Remove the protective covering. ② Unplug the socket. ③ Place the bulb into the socket. ④ Connect the socket. Restore power and test the bulb. [Excellent Quality] High-quality lamp bulb with high energy efficiency. Made with durable silicon glass material for extended lifespan. The glass offers high thermal stability and electrical insulation. High transparency with a light transmission rate of over 90%, enhancing performance. [Please Note] When removing the bulb, pull the rubber lid—not the connecting wire. For any questions regarding replacement bulbs, please and we will respond within 24 hours.