Neutralizes dirty odors from your carpet without vacuuming. Dries in minutes, leaving a pleasant, clean scent in the entire room. Safe for carpets. Will not leave a residue. Even when your carpet is clean, odors from food, smoke, pets and musty/stale odors can become trapped deep in carpet and upholstery fibers. Carpet Fresh No-Vacuum foam formula delivers a unique odor-fighting agent deep into fibers to neutralize odors. It reaches places ordinary air fresheners can't and leaves a long-lasting fragrance that freshens both your carpet and room. A great air freshener for your car! Carpet Fresh No-Vacuum works great on car carpet, upholstery, and cloth panels neutralizing odors trapped deep in fibers. Contains no CFC's which deplete the ozone layer.