The genuine TUNAP 1106122 AdBlue System Active Ingredient is a highly effective concentrate designed for all diesel engines equipped with an AdBlue® system. This additive actively prevents crystallization within the AdBlue® system, ensuring the long-term operational reliability of the SCR catalytic converter. It effectively cleans the AdBlue® injector and provides protection against crystallization, thereby contributing to reduced nitrogen oxide emissions. Each bottle contains 125 ml of the active ingredient, recommended for addition to the AdBlue® tank before each refill.