Auto Catalytic Converters is used to turn the harmful exhaust gases into the non-harmful gas of CO2 and N2. Features: 1 Stainless steel shell, 2 Foil material is OCr21Al6, foil thickness is 0.1mm3 Cell pieces per square inch: 100, 200, 300 and 400cpsi4 Shape and dimension is customized according to drawing provided Comparing with the ceramic substrate, metallic substrate has the advantages of ...