This 3:1 Piston Pump was built with professionals in mind and was designed to be used with low, medium, and high viscous oils such as motor oil, transmission fluid, hydraulic oil, and more! This versatile pump can be mounted on various container sizes such as 16-gallon, 55-gallon, and 275-gallon containers when used with the appropriate suction tube making this pump adaptable with the needs of your shop. The ZE1701K includes an adapter for mounted onto containers using a 2” NPT bung adapter and Filter Regulator/Lubricator.