Packaging shows wear but is new in box The 3M 16580 Accuspray ONE Spray Gun System is a cup spray gun kit designed with standard PPS accessories. This set includes a 22oz. hopper size with a 1/4in. air inlet size, making it suitable for various automotive painting needs. Additionally, the product comes with a warning about potential health risks associated with the chemicals used in the spray gun system. With the trusted 3M brand name, this spray gun system is a reliable and efficient tool for automotive maintenance and repair.