Features: This electric paint Pumps for ProXChange ProX17 ProX19 ProX21 sprayers. The model number of this power paint Pumps is 24Y742, please confirm whether it is the model you need before purchasing. This power Pumps is crafted from cold-rolled steel. Its advantage is that it is more and resistant than ordinary steel and have long service life. You can buy it with confidence. This Pumps have a builtin piston gasket with a lubrication function and can be used normally no need use of lubricating oil. This Pumps is used to houses, wall, metal, wood, and so on. It sprays objects evenly and effectively, minimizing paint waste and saving money. Specifications: Material:Brass,Stainless Steel Package Includes: 1Piece Power Paint Sprayers Pumps note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.