Mecatech Diesel Particulate Filter Cleaner (DPF)Mecatech Diesel Particulate Filter Cleaner (DPF)This 1 litre can of Mecatech cleaner will clean your entire intake injection catalyst and particulate filter systems. It lowers the DPF operating temperature and encourages the combustion of soot particles. This cleaner is compatible with all DPF filters on the market. Recommended for all recent EURO 4 EURO 5 & EURO 6 vehicles. In many cases this cleaner will remove the DPF fault light on many vehicles