A/C Oil & Dye Injector

Master Leak Shield Mini Dye Injector seals small leaks in evaporator, condenser, hoses, o-rings and gaskets. Cartridge type injector with Master Leak shield auto A/C sealant with dye. Low side hose. Lubricates system and helps prevent leaks. Illuminates larger leaks with high quality universal fluorescent dye. Safe for hybrid and electric compressors.