Clear-Ray XL replacement bulb for Sundance Spas 2-pack 6472-841 hot tub accessory Compatible: for Sundance-spas Hot Tub Spas Water cleaner System 2012+, -spas series J-200, J-300, J-400, J-LX 6472-841, 6472-857, 3LRK, 94-1552, UVL-3LRK-1<br> Compatible: Also known as part numbers: 6472-841, 6472-857, 3LRK, 94-1552, UVL-3LRK-1<br> Packing: You get 2 Bulb . For better performance, Suggest replace the bulb every year. Help to reduce reparing cost<br> Easy to Install: The light bulb is installed in the hot tub, remove the screws, enclosure cover and gasket in place, slide the replacement bulb back inside the quartz tube!<br> Notice: Backwards Compatible-Compatible with for older model<br> Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!<br> Colour:As Shown<br> Material:Glass<br> Package Contents:<br> 2 * Pool and Spa Bulb<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.