Greenair Aromatherpy Diffuser (Black Color) BPA FREE!! Model 00956. GreenaAir Model 00956 Aromatherapy Diffuser (Black case color) Very good Aromatherapy diffuser. This one is the most reliable on the market. If I remember Whole Foods used to sell these. Unit uses BPA free plastic. Has a multi-function 1hr ,2hr and 3hr timer settings and RGB color lights for atmosphere. Works well and reasonably quiet, may be too loud for bedroom use and sleeping, as the fan makes a slight noise. Holds about 8.45 fl oz of solution of your choice. Unit will automatically shut down when reservoir is empty. Unit comes with AC Adapter. Please message me with your questions BEFORE you purchase.. All sales final..