Indusclassic Globe Himalayan Salt Lamp Heating the salt with bulb releases negative ions into the air, creating an effect similar to an ionizer, purifying the surrounding air Pure 100-Percent Natural Himalayan Salt is good for Smoking room. Works as an air purifier by emitting negative ions into the air and light therapy to reduce stress and increase energy Great Gift Idea Natural Rock Salt Use it for both home & Office, Memorable gift for Birthday, Wedding, Anniversary