Black Stone Diffuser

 A design icon. The Stone Diffuser scents your home naturally and looks beautiful while doing it. With a matte ceramic cover and sculptural silhouette, it doubles as a piece of decor.

Materials: Porcelain cover. BPA-free plastic water reservoir.
Technology: Ultrasonic: 2.5 vibrations/second. The diffuser comes with a five-foot-long power cord that must be plugged in for use.
Run time: Two settings: consistent three-hour and intermittent 7.5-hour.