Edison Bulb Illumination Fragrance Warmers feature vintage bulbs, glass and metallic finishes for a clean design with a warm glow. Illumination Fragrance Warmers use a halogen bulb to warm wax melts in the dish, releasing their fragrance. The soft glow of the bulb creates the ambiance and fragrance of a lit candle, without flame, soot, or other pollutants. Elegant home décor is the focus of every Candle Warmers Etc. product, and each is made to complement your personal taste.