American Lubrication Equipment 4166-DEFN 55 Gallon Drum Hand Operated Drum Pump, Polypropylene. For electric, air, and hand-operated configurations. Container Size: 55 gallon drums, Products Handled: DEF, Downtube Type: Polypropylene, Body Material: Polypropylene with Teflon seals, Pump Type: Rotary, Delivery: 8 ounces per revolution, Delivery Hose: 9.8, Delivery Nozzle: Manual nozzle.