Eliminates odors in the air, even from odor-causing bacteria. Odor elimination for tough odors when and where you need it. Ultra quiet fan quickly fills the whole room with the patented Oust fan formula. Leaves a light scent in the air to let you know it's working. Portable fan, battery operated (included). Automatically cycles 5 minutes on and 15 minutes off for maximum odor elimination. Oust Fan is a revolutionary way to eliminate tough odors that just won't go away, even from odor-causing bacteria! Unlike air fresheners that only mask odors temporarily, Oust formula is scientifically formulate to eliminate unpleasant and embarrassing smells in the home, such as bathroom, smoke, mold &mildew and pet odors. Its unique, ultra-quiet fan quietly circulates the patented Oust formula throughout an entire room, leaving your home smelling clean and fresh. Oust Fan works great for eliminating odors in problem areas like bathrooms, basements and stuffy rooms. It's discreet and portable, so you can use the Oust Fan where you need it, where you need it, for effective, continuous odor elimination. Bottle liquid level is correct. Fan unit made in China. Refill unit made in USA.