Sale! Four 12-15 lbs. Salt Lamps Pack $239.99 $191.99 Economical way of buying multiple 12-15 lbs. salt lamps. These big lamps will clean your air very effectively. This package is ideal for gift giving, lamp placement in larger rooms, and even artistic design. Interior decorators have used our lamps, especially these bigger ones, to spread throughout living rooms and dining rooms. Placing lamps in corners or on pedestals and tables truly beautifies a home. They also purify the air at the same time.