The Vintage Old United Specialties Co. Oil Bath Air Cleaner is a round air filter housing made of aluminum, metal, and alloy, measuring 8.5 x 8.75 inches. This black-colored air filter features oiled material and is considered a vintage part, adding a unique and classic touch to any car or truck. Perfect for those looking to enhance the fuel delivery system with a piece of automotive history from a reputable brand like United Specialties Co.