The Roughneck Lever Action Drum Hand Pump is designed to dispense medium fluids including non-drinking water, diesel, kerosene, machine oil, lubricant, gasoline, solvents, chemicals and more. (Not suitable for use with thinner, Adblue, Clorox, Chlorine, Chlorosulfonic acid, Hydrofluoric acid 100%, Nitrating acid, Hydrochloric acid, Sulfuric acid, Hydraulic oil (petro), Aqua regia, Bromine, Ethylene oxide, Hydrogen peroxide, and Morphine.) Delivers up to 31/2 GPM. Use with 15- to 55-gal. drums.