Hand Operated Drum Pump, Self-Priming Yes, Metered No, Includes Discharge Hose Yes, Features 1. Industry Standard for Rotary Pumps, These are By Far the Heaviest Duty, Ideal for Tough Outdoor Use in Extreme Weather Conditions, 2. Solid Cast Iron Construction, Fully CNC Machined to Close Tolerances, 3. Graphite Vanes are Self-Lubricating and Non-W, Housing Finish Powder Coated, Seal Material Graphite, For Use With Diesel, Kerosene, Non Corrosive Media, Oil based Media