Penrite ENVIRO+ 5W-40 Full Synthetic Engine Oil 5L. It contains added Zinc for engine wear protection and its fast acting formulation works in 10 minutes. ENVIRO+ 5W-40 may be used where SAE 5W-30, SAE 10W-30, SAE 0W-40 and SAE 5W-40 grade oils are specified by the manufacturer.