4ltr Capacity. Ingenious vacuum device. Ideal for other liquids such as water. To remove oil from an engine, simply push the probe down the dip-stick tube & pump the handle on the top of the unit. Supplied with 2 suction probes, 8mm x 1300mm & 5mm x 1008mm & easy-pour spout & cover cap. Allows other work to be undertaken whilst suction removes fluid. Avoids searching for drain plug keys & getting under the vehicle. Model No. MS156