Features: 1) Stops leak in radiators instantly and prevents new leaks from developing 2) Works in water or anti-freeze solutions 3) Draining and flushing upon addition is not necessary, unless system is extremely corroded or dirty 4) Contains rust inhibitor 5) No corrosive to metal, rubber hoses, gaskets or any part of the cooling system 6) Shelf life: 3 years 7) Specification: 354ml/can 8) Produced with advanced technology and imported raw materials 9) Can completely clean up the scum and rust in the cooling system with no corrosive to the parts 10) Helps refresh the cooling system and prevent cooling system from boiling and overheating 11) Compatible with any kinds of anti-freezing fluid Outer packing: 24pcs/ctn Carton dimensions: 440 x 298 x 144mm