HealthSmart 500ML Essential Oil Diffuser for Large Rooms, Cool Mist Humidifier and Aromatherapy Diffuser, Adjustable Timer, Mist Mode and 7 LED Light Colors, White (Pack of 1) Large White is up for auction in Home & Kitchen. The current bid is $4.00, 83% below the $23.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.