The GRACO 24W635 Manzel® MB118 Series Lubricator is a box-type lubricator designed for industrial lubrication systems. It features a 6-pint (2.8 liter) reservoir and supports up to 6 pump stations. The unit is constructed from materials such as carbon steel, nylon, fluoroelastomer, cork, brass, and aluminum, and is intended for use with oil. Its primary function is to deliver precise lubrication to machinery in demanding industrial environments.