Designed for quick, easy and clean oil changes. Large 8.8 litre (2.3 gallon) capacity not only can extract fluids, but is capable of dispensing as well. Simply move the bi-directional valve and this unit will create a vacuum or move the valve the other direction and it creates pressure to dispense the fluid. Built-in shut off valve is designed to prevent overfilling. Comes complete with 1.5 metres of flexible hose and two rigid dipstick tubes.