Master Leak Shield Mini Dye Injector

• Lubricates system and helps prevent leaks • Seals small leaks in evaporator, condenser, hoses, O-rings and gaskets • Illuminates larger leaks with high quality universal fluorescent dye • For R12, R134a A/C systems • Safe for hybrid and electric compressors • Made in USA • Cartridge Type 1oz Injector with Master Leak shield Auto A/C Sealant with Dye • Low Side Hose