Radiator antifreeze KFS 12 is a combination of active agents based on ethylene glycol with an ingenious inhibitor formulation which has been specially developed for modern aluminum, highperformance engines. Antifreeze KFS 12 provides outstanding protection against frost, rust and overheating and does not contain amines, nitrites, phosphates or silicates. Adding the correct amount to the coolant water provides reliable vehicle performance all year round.