This Air Operated Grease Spray Unit enables the spraying of LUBE-A-BOOM® or LUBE-A-PIN® grease direct from the Lube-Shuttle® cartridge without the need for propellants or chemical additives such as solvents. Adjustable grease flow, volume and spray pattern for precise spraying and uniform surface coating. Reduce grease costs, less mess, applies faster, uses all of the product in the tube. A cleaner solution for lubricating telescoping booms and other applications. Uses LUBE-A-BOOM® grease (p/n LAB027) or LUBE-A-PIN® grease (p/n LAB028) in a 15oz shuttle tube.