RAC98554EA ESSENTIAL MIST REFILL, FRESH WATER BREEZE, 0.67 OZ

Contains natural essential oils. Device automatically shuts off after eight hours, restarting at the same time the next day-eight hours on, 16 hours off. No water needed as oil diffuses into a mist through microscopic holes in the vibrating plate. Battery operated for placement anywhere. Each refill lasts up to 45 days on the lowest intensity setting.