NANOSKIN AIR FRESHSNER is a concentrated air freshener and deodorizer. A 32 Oz. concentrate will make 2.5 gallons ready to use product. Each scent is made with unique fragrances designed to smell fresh and clean. It eliminates foul odors, including smoke, and provides a long-lasting, pleasant scent. After dilution, just spray it inside your vehicle to restore a clean scent.