Exhaust Vaporizer Scent Exhaust Vaporizer Scent uses a uniquely formulated essential oil to neutralize exhaust odors within a specially designed evaporation chamber. In the chamber, the essential oil is activated and vaporized by the heat of the pump's exhaust. Order Online Request Information Try One of STF's Cleaning Products Chlorine Tablets | Graffix | Quickfix | Urinal/Industrial Cleaner & Degreaser Truck Wash | Toilet Washdown | All Purpose Cleaner | Delimer Pathfinder Solution | Accessories | Exhaust Vaporizer Scent | Pump Oil Additive