The AdBlue 10 Litre Can is great for injecting into the exhaust gasses of a diesel powered engines to reduce the emmissions of Nitrogen Oxides. Consisting of demineralized water and automotive urea, this clear liquid soloution works with SCR (Selective Catalyste Reduction) - Technology. Features and Benefits AdBlue is classified under the minimum risk category of transportable fluids Reduced NOx Pollution Lower Particulate Emissions Suitable for all vehicles fitted with SCR systems ISO 22241 Pouring spout included behind product label