Macnaught 800L Poly Diesel Tank Slim With 12V High Flow Pump Kit MDT800LTanks are made from specially formulated polyethylene, designed to withstand their application requirements in the harshest conditions. They offer lightweight, yet sturdy fuel storage solutions. They are designed with many safety features including auto shut off nozzles to prevent fuel wastage and the included earth strap prevents the build up of static when the tank is in use. Together these features give the operator peace of mind when refueling.