Dayton Air Operated Drum Pump, Basic Pump with Discharge Hose, For Container Type Drum 53JU96 Combination Toilet Paper Dispensers Ultra X Tex has shown promising results Ultra X Tex has shown promising results in filtering out emulsified oils and hydrocarbons out of a water stream The gray lid is secured to the wall bracket with a lock and removable key to help prevent both theft and tampering They allow more precise flow control than electric drum pumps and generate higher flow rates than hand drum pumps to dispense or transfer moderate to large amounts of fluid Pneumatic drum pumps (also called air powered or air operated barrel pumps) are motor driven devices powered by a compressed air supply to draw out fluids from a container