ENVIRO+ GF-S is a premium full synthetic, SAE 5W-30, API Licensed engine oil recommended for modern fuel efficient, low emission petrol engined vehicles. It uses advanced mid SAPS (Sulphated Ash, Phosphorus and Sulphur)* additive technology.Enviro+ GF-S is licensed by the API (American Petroleum Institute) to meet SP Resource Conserving, SN Plus and ILSAC GF-6A specifications ensuring quality and satisfaction.