Rotary pumps are a common pump used for light to medium viscosity oils including diesel, kerosine, motor oil and common oils up to SAE 90. The dual direction operation of the handle on the H89100 allows the pump to either fill or empty containers. The H89200 lever style barrel pump delivers lubrication in a one-pump lever action. This pump is not recommended for corrosive fluids including water based fluids, solvents, acid, anti-freeze, and gas. The H89250 accommodates thick oils with viscosity up to SAE 130.