For sale is a professional-grade CPS Pro-Set Oil and Dye Injector for automotive A/C service. This tool allows you to easily inject oil or UV dye into a charged system under vacuum. • Compatibility: Works with R-12 (1/4" SAE) and R-134a systems. • Construction: Durable anodized aluminum body with a "Pro-Set" blue handle ball valve for quick flow control. • Condition: Used, but in solid physical shape. The body shows some minor wear from shop use, and the label has some light fading, but the threading and valve handle are intact. • Included: Main injector body and ball valve assembly as shown in photos.