Sierra - Fluid Extractor- Air Operated - 2.3 Gallon - 52104. Air-operated fluid extractor for quick, easy, and clean oil changes. Can be used to remove a wide range of fluids, such as engine oil, brake fluid, antifreeze, and more.. A built-in shut-off valve to prevent overfilling. Can be used away from the air source by creating a vacuum, closing off both shut-off valves. Features:. Capacity - 2.3 Gallon. Comes complete with 5 feet of flexible hose, 2 rigid dipstick tubes, and a brake bleeding kit