High Power Cleaner for Diesel is a special diesel additive solution used to help in the regeneration of Diesel Particle Filter systems. The most economical way to preserve and clean the particle filter! The product can be used in all diesel engines and it can be mixed with all diesel fuels. Application Please pay attention to the dosage instructions! Add to the tank before filling up with diesel fuel. (375 ml is sufficient for 60 to 80 litres of diesel fuel). We recommend regular use every 3 months. Only use at the fuel tank- not be added to the regeneration additive tank if fitted. eg . Citroen, Peugeot.