Product Short Description: Powerful cleaner to treat metal and ceramic oil filters, which suffer from oil depositions, carbonized oil accumulation and sludge. Heavy duty liquid , which is Extremely and effectively removes tenacious carbon deposits, burnt grease, Oily residues and l Product Description: RXSOL -16-1007-025 is a specially product formulated by strong emulsifying agents, surfactants and powerful solvents to treat metal and ceramic oil filters, which suffer from oil depositions, carbonized oil accumulation and sludge.