Moontree Himalayan Salt Lamp Natural Air Purifier bedroom lamps 8-9inch 8-9" Around 3-5KG (7-11LB) Himalayan Salt Lamps from the Himalayan Mountains. Natural Air Purifier - Good for a small room of 40-50SF, Or you may select 2 for a 60-80SF room.Double size the purify function will be double. Salt lamp will be similar to the one pictured, come with a 125V 15W 6ft. cord (bulb included). These lamps are about 8-9" tall and usually have a diameter of 6-7".