It is very powerful to improve octane, per time adding can improve 3-5%, it can clean gas and reduce the impurities, prevent and eliminate the gelatinous material and carbon, safe to catalytic converters.
GETSUN OCTANE IMPROVER USED REGULARLY HELPS
1.Improve octane
2.Resistant oxidation
3.Stable gas quality
4.Clean gas
5.Contribute burning

DIRECTIONS: 
Add entire contents directly to a full tank of petrol. One bottle (250ml) will treat 45-60 liters. Sate to use with other GETSUN additives.

HARMFUL:
May cause lung damage if swallowed. Repeated exposure may cause skin dryness or cracking. Harmful to aquatic organisms, may cause long term adverse effects in the aquatic environment. Keep out of the reach of children. Avoid contact with skin, if swallowed, seek medical advice immediately and show this container or label.