At KRAFT KATALYSATOR, we offer a wide selection of sizes for Ceramic and Metallic Substrats (monoliths). Ceramic substrates are available for use as Catalytic Converters , DPF-Diesel Particulate Filters and SCR-NOx Catalysts. Lately we have also developed a range for the new generation GPF-Gasoline Particulate Filters. Metallic substrates are exlusively used as Catalytic Converters and are offered in 400 cpsi, 600 cpsi and 200 cpsi (racing version).