Serene house Supernova Ultrasonic Intertek Diffuser replacement part ceramic outer top for 130ml for essential oils. Model number AA08C. Item Ceramic top only. Design: Chic, white bisque ceramic cover against the light-grain, neutral faux-wood base offers a modern touch to any space; easily blends to your style and décor without taking up too much room; aesthetic design is great for home, office spaces, classrooms, spa settings, or as a gift. Smoke free home