This is a replacement 25W Incandescent bulb compatible with all of our salt lamps. This bulb is perfect if you are looking for your salt lamp to be even brighter than standard, particularly if you have a 15KG+ lamp.. Features-. High Quality - Made with high tech machinery to our exact specification, this bulb is substantially better than others on the market.. Designed For Salt Lamps - Don\'t use just any bulb, our bulbs were designed specifically to work best with salt lamps to withstand the high temperatures and moisture from the confined space they are in.. Specification-. 25 Wattage, E14 Socket.