Klotz fabric air filter oil combines leading-edge materials with state-of-the-art technology to offer you the most reliable product in the industry. That is why millions of racers around the world have relied on Klotz. Their fabric air filter oil is exceptional and is suited for all racing, off-road, and street fabric air filter applications. It improves airflow and is incredibly easy to apply. It produces an oil barrier by utilizing a special formula to trap micron-sized particles that would normally find their way through air filters. Its water-resistant formula will not gum up and dry out. Klotz fabric air filter oil--it's easy, it's effective, and it's the logical choice!