NOW® Solutions Wooden Ultrasonic Oil Diffuser unites scientific innovation with contemporary design to create an essential oil diffuser that's the perfect complement to your home or office. This attractive, flower-shaped diffuser is BPA-free and utilizes high-frequency ultrasonic electrical vibrations to create an ultra-fine aromatherapy mist. This diffusion method doesn't utilize heat, which maintains essential oil integrity and holistic properties. NOW® Solutions Wooden Ultrasonic Oil Diffuser is perfect for daily use and is a healthy alternative to synthetic room fresheners and scented candles.