SeBLUE
It's a mixture of urea and deionised water that's stored in a separate tank from the car's fuel. When the car's engine is running, tiny amounts of SeBlue are squirted onto the exhaust gas produced, turning the NOx into nitrogen and water.
DIESEL EXHAUST FLUID
5 LT
DIESEL EXHAUST FLUID
10 LT
DIESEL EXHAUST FLUID
20 LT