Description Perfect for cleaning damaging dirt and grime from hard to reach areas in cars, tractors, combines, and many other applications. White zinc alloy body resists corrosion. Flow 11.6 SCFM at 100 PSI for rubber tip. Features corrosion-resistant zinc alloy body, stainless steel spring for extended life, synthetic washer for air tight seal, weatherproof aluminum extension, and rubber tip that will not scratch or damage delicate surfaces.