Tracer Spectronics Corp TP97600108 8 oz. Dye Cartridge PAG-R134A Disposable dye cartridge BigEZ 8 oz R-134a/PAG dye cartridge services up to 64 vehicles BigEZ cartridges are pre-filled with solvent-free A/C dye, certified to meet SAE J2297 and calibrated for exact dosing