AQSON Gray Rotary Barrel Pump for transferring Non-Corrosive, Petroleum based Fluids, of Light to Medium Viscosity - like, Motor Oils, Heavy Oil, Transmission Fluid, Heating Oils and Machine Oil, etc. , Kerosene or Diesel Fuel. Ideal for Commercial, Automotive, Farm and Industrial Applications. Fits 15 to 55 Gal. Drums (57 to 210 L) with Standard 2" (50 mm) Bung Opening. Self Priming. Cast Iron Draw Head with S. S. Filter Screen and three Heavy Duty Vanes allow better draw and smooth delivery of Fluids. Non-slip, Oil Resistant Grip for Comfort and Safer Operation. Comes with Adjustable 2" (50 mm) Bung Bushing and with 39" (1 m) Flexible, Oil-resistant Discharge Hose.