Spray. Special synthetic composition for wetting foam or special fabric filters. Racing Luft-Filter-Oil is a product for wetting filters. It is an oil of a special synthetic composition for wetting foam air filters to prevent dirt and dust in the engine and protect it from wear. In case of water on the filter, the oil does not foam and ensures normal filter performance, it does not increase resistance to air. Color-fading on the filter which is colored by the oil enables to accurately control necessary deadlines of its replacement. Application. For wetting air filters of motorcycles and power products and sport cars.