groz 44120 lever action barrel pump, viton seal. Most popular pump design, engineered for professional use premium powder coated steel pump body with ribbed section aluminum die cast pump head for maximum strength built-in 1.1/2″ & 2″ bung for use on drums with either openings, plated steel lever handle with rubber grip for convenience wear resistant brass piston rings fitted onto zinc die cast piston, comes complete with curved metal spout & telescopic suction tube for use on 15 gallon (50 liters) – 55 gallons (205 liter) barrels.