Sierra 18-52204 Oil ExtractorTh Sierra 18-52204 Oil Extractor is used for quick, easy and clean oil changes. The large 8.8 Liter (2.3 Gallon) capacity not only can extract fluids, but is capable of dispensing too! 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.Features: 2.3 Gallon Capacity; Can extract and dispense fluid; Built-in shut-off valve to prevent overfilling; Comes complete with 5 feet of flexible hose and two rigid dipstick tubes.