Extreme White is a leak stopping agent for repairing leaks up to 0.3 mm in refrigerators with hermetic compressor, which contain refrigerant gases R600, R290 and R134a (household refrigerators, wine cellars, ice cabinets, drink dispensers, etc.). Thanks to the special polymer-free formula, Extreme White is completely safe for the system: it does not react to moisture and oxygen and does not clog the components of refrigeration systems. It definitely works on both rubber and metal parts and is ideal for preventive applications. The 6 ml syringe format makes the process easy, fast and safe for the user. The package contains: - Adapter with 1/4 SAE thread (black O-ring) for inserting the leak stopper in refrigeration systems - Flex hose for easy connection to the system. The adapter and flex hose are reusable. For more information on errecom.com.