• 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