ONA PRO is the choice of professionals for maximum odor control, and now it’s available in a convenient spray form. Not a cover up or perfume, this standalone smell stopper has almost no scent of its own. All it leaves behind is fresh air. Even when used in extremely odorous conditions, ONA PRO Spray removes almost all traces of unpleasant smells. In the car, at home, at work, wherever bad smells linger, ONA can come along.