- Mini-EZ dye injector is the easiest and most convenient method of injecting a vehicles A/C system with dye while controlling inventory - Mini-EZ cartridges are prefilled with solvent-free A/C dye, certified to meet SAE J2297 - Includes: - Mini-EZ injector assembly and R-134a hose, - (6) Mini-EZ R-134a/PAG dye cartridges, each services 1 vehicle