Plug-in Waterless Ultrasonic Essential Oil Diffuser – 15ml, 30 Days, 150 sq ft

Plug-in Waterless Ultrasonic Diffuser with a 15ml fragrance refill that lasts up to 30 days for spaces up to 150 sq ft. Compact, super-quiet, and easy to use in bedrooms, offices, and kids' rooms. Important: only use alcohol-diluted fragrance oils; no water; avoid pure fragrance oil.