A 220 litre barrel of AdBlue® is perfect for moderate users of AdBlue®. The AdBlue® is ISO22241 compliant, meeting the needs of euro 5 and 6 vehicles. This may include agricultural customers running a single machine, or smaller hauliers running vans. The AdBlue® drum is an HDPE tight-head barrel with a 2 Euro Bung top outlet. This is compatible with most barrel pumps, however to ensure a controlled and clean dispensing solution, please see our barrel pumps as follows: Barrel Pump Basic Adblue® Barrel Pump Pro