"White" Himalayan Salt Lamp Globe ~ Sphere - 5" A lovely touch of elegance for any living space. While the salt lamp is lit, the heat from the bulb interacts with the salt, creating negative ions which help clean the air around you. These lamps are a natural, organic air purifier. Relax in the warm glow of this Himalayan Ionic Natural Salt Crystal Lamp Globe. Comes mounted on a base and complete with 15w bulb, UL Listed cord, and switch. They make a wonderful soothing nightlight as well.