Check out this Vivitar 2-in-1 Diffuser Humidifier with Aromatherapy Oils which is on sale for $19.99 at Tanga. Plus you can get an extra $1 off when you add our exclusive coupon code BRADSDEALS during checkout. Even better, shipping is free. We couldn't find this set anywhere else and purchasing these items separately would cost over $25 at other sites. This personal humidifier also operates as a diffuser. It features an LED light and comes with three aromatherapy oils. Sales tax is charged in most states.