Features and Benefits:•Utilizes compressed "shop-air" for dispensing and extracting•Isolated flow control and pressure/vacuum switch valves provide simple functionality control•Redundant pressure control systems safely maintain peak output pressure below 30 psi (2 bar)•4-gallon (20-liter) capacity reservoir•Convenient flow control and auto-shutoff valve•Includes combination pressure/vacuum gauge•Lid is interchangeable with other reservoir sizes available for separate purchaseMV7120 Fluid Evacuator/Dispenser, 20L dispenses and extracts a wide range of automotive fluids including brake, washer, power steering and transmission fluid, engine oil, gear oil and coolant. Convenient for evacuating, topping-off and refilling reservoirs, or pressure bleeding hydraulic brake and clutch systems