The Liqui Moly Hydraulic Lifter Additive is a high-quality product from Germany, designed to enhance the performance of hydraulic lifters in automobiles. This pack of 1 contains 300mL of the additive, which is essential for maintaining the proper function of hydraulic systems. Made by LIQUI MOLY, a reputable brand known for producing reliable automotive products, this additive is a must-have for those looking to keep their vehicles in top condition.