Bucket Pumps are ideal for filling open and sealed reservoirs, compressed air lubricators, gearboxes and centralized lubrication equipment. It has an adjustable lever adapts pump to lubricant type and operating conditions. It develops from 2,500 to 5,000 psi. It is a self-priming, pushdown action pump that fits 5-gallon pails. It also has a drain-back nozzle that prevents spills and accidents.