Penrite Diesel Enviro+ DPF Cleaner Additive is a Patented, liquid bimetallic platinum and cerium catalyst, diesel fuel additive specifically formulated to clean blocked DPF's (Diesel Particulate Filters) as well as improve the operation and reduce maintenance of the DPF and emissions control systems in diesel engine applications. Its formulation is soluble and stable in traditional diesel and bio-diesel fuels. It cleans and assists in regeneration of diesel particulate filters (DPF's), reduces engine particle matter, cleans injectors, improves diesel fuel combustion improving fuel economy, engine efficiency and maximising catalyst life.