Fill your home with the aromas of natural essential oils. This ultrasonic, ceramic diffuser holds 100 ml of water and oil, and diffuses scent for 4-5 hours. Simply fill the diffuser with water to the water level line, add 5-10 drops of your favorite Nomad Botanicals essential oil diffuser blend, press the on button, and enjoy the fresh aromas that will transform the air around you. Journey anywhere your heart desires when you bring the essence of nature from far-away lands into your very home.