The Serene House Cosmos White 90 Metal Ultrasonic Diffuser is a compact ultrasonic aroma diffuser for professional spa, med spa, and clinic environments. The metal housing in white finish measures 3.54 in W x 3.54 in D x 5.63 in H, supporting up to 4 hours of continuous mist or up to 8 hours of intermittent operation. A 60, 90, and 120 minute timer allows predictable session timing, while 7 LED light colors can be set to rotate or fixed to a single color. The unit uses water plus essential oils to deliver cool mist aromatherapy suitable for treatment rooms and reception areas. Read more