Box contents: 2 x 10 litre AdBlue containers. How to use: do not fill into the fuel tank or other liquid tanks of the vehicle, only in the specified and separate AdBlue tank. Technical information: 2 x 10 litres. For aftertreatment of exhaust gases of passenger car diesel engines with SCR technology. Recommended storage temperature between 0°C and +30°C. Avoid direct sunlight. . . ISO 22241