Operates on compressed air to create a powerful venturi vacuum for draining fluids from tanks and reservoirs. Compressed air hose attaches at base for stability. Includes accessories for draining engine oil or transmission fluid directly through the dipstick tubes. Also includes brake/clutch bleeding kit for vacuum bleeding hydraulic brake and clutch systems. 2.3 gallon reservoir capacity. 24 X 12.4 X 9.3 inch.