Coastal Edison Bulb Electric Fragrance Warmer About Us MechTronic Ltd. An updated traditional style with wire framing in a matte black finish give this Edison Bulb Illumination a vintage lantern feel. Vintage Illumination Fragrance Warmers use a vintage style bulb to warm wax melts in the dish, releasing their fragrance. Uses NP3 warming bulb (included). The soft glow of the bulb creates the ambiance and fragrance of a lit candle without flame. Elegant home decor is the focus of every Candle Warmers Etc. product, and each is made to complement your personal taste. Simply add wax melts to the dish, turn it on, and enjoy your favourite fragrance as it spreads through the room. *Wax melts sold separately.