A fragrance oil lamp is a catalytic diffusion device that purifies the air while imparting a fragrance. The catalytic combustion technology was originally developed in the early 1800s for use in hospitals and mortuaries. Research has shown that it can effectively eliminate up to 85% of bacteria in a room for up to 30 hours after initial operation has stopped. While the medical use of the technology has waned, modern innovation has found a new application for the lamps in homes and offices. Using a neutral lamp fuel a catalytic diffusion lamp eliminates bacteria and various odors (pets, food, tobacco). With fragrance added to the alcohol-based fragrance lamp oil, the catalytic burner lamp becomes a fragrance oil lamp, diffusing aroma into the air while it purifies.

The fragrance lamp's process is initiated by lighting the stone burner seated at the mouth of the lamp. After a few minutes the flame is extinguished but the heated burner remains active as the catalytic combustion process burns the fuel. (from Wikipedia, the free encyclopedia)

All lamps are considered full-sized lamps unless designated as "mini" in the name. Full-sized lamps range from 5-7" in height and will fragrance a home or at least several rooms, depending upon where the lamp is placed, within about 45 minutes. Mini lamps range from 3-5" in height and will fragrance a room in about 45 mintues.