Moontree Himalayan salt lamp Air Diffuser Purifier bedroom lamps 6-8Inch 6-8" Around 2-3KG (5-6LB) 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 6-8" tall and usually have a diameter of 4-5".