Diffusers turn water and essential oils into a very fine mist for aromatherapy purposes. Aromatherapy is useful for pain relief, mood enhancement, increased cognition, common colds, and more. The GreenAir SpaVapor 2.0 works perfectly with therapeutic-grade essential oils without heating them, a process which can compromise their molecular integrity. Its patented ultrasonic technology creates ultrafine mists for longer …