Shop Equip The new, patented Tracerline Mini-EZ dye injection kit allows service technicians to add a precise amount of flourescent leak detection dye into a single vehicle's A/C system. This convenient kit conssits of a compact injector assembly and six disposable dye cartridges. The Flouro-Lite dye is available in two versions-one for R-134a/PAG systems and another for both R-12 and R-134a systems. It is solvent-free and will not impair the properties of hte lubricant.