Performance Spray Gun Ball Valve 26839, 4/Case

3M™ Performance Spray Gun Ball Valve is an accessory for the 3M™ Performance Spray Gun System configured as a pressure feed sprayer. The valve gives the spray gun operator the ability to stop the flow of paint from the pressure source (pot or pump) at the spray gun end of the supply hose. Recommended for use when the painter does not have easy access to the pressure source. Light and easy to use.