FELIX ULTRA F 0W-30, it is fully synthetic engine oil developed by improving synthetic base oils and quality additive technology. It is recommended for all kinds of high-performance modern vehicles, passenger automotive, multi-point oil spraying gasoline motors, SUVs and Off-roads. It is recommended to not use any additives with this oil. It is recommended for use with vehicles without diesel particle filters (DPFs) and gasoline catalytic converters (CAT).