Natural Pure Himalayan Crystal Salt Lamp 10-15 Lbs with Dimmer Cord Healing Ions Scientifically proven to work like an air purifier by emitting negative ions The negative ions bind with positive free radicals and cancels them out Natural aid for Asthma, Allergens, Dander, Pollens and air pollutants When indoor air is full of free radicals this often results in us feeling sluggish Pure Himalayan Salt Lamp often called natures air purifier