Nuscents Nu Car Scent Car Detailing Air Freshener &ndash; 32oz. Twice the fragrance for up to 35% savings over other water-soluble brands The strength of oil-based fragrances in a safer, water-soluble form Concentrated. Use full strength or dilute with water. You decide Used by professional auto detailers for interiors, vents, upholstery, and carpets Developed to deodorize the toughest odor probems