Beautymax Himalayan Natural Ionic Air Purifier Rock Crystal Salt Lamp Night Light Tower 8 to 9 Inch,8~ 11 Lbs, Made of natural salt crystal from the Pakistan Natural Air Purifier - Good for a room of 60-80SF, Or you may select 2 for a 100-120SF room.Double size the purify function will be double. Each lamp is individually handcrafted and unique Comes with a 15-watt bulb, on/off switch, and electric cord.