With 2x the power of the Odor Crusher Ozone Go Max unit, the Odor Crusher Auto Fresh XL is the hardest-hitting of our vehicle units! With the power of Ozone technology, the Auto Fresh XL will back you up if you or your squad travel often and play hard. From the robust smell of your champion’s footwear to powerful fast food aromas that linger, simply plug this compact unit into your vehicle’s 12v outlet to remove and refresh your vehicles interior atmosphere. Eliminates most odors in a single 20 minute cycle with your choice of Low or High settings and a built-in USB port allowing you to charge your devices without removing the unit.