- Concentrated green radiator protector, Glitech® 4.100 inhibitor package. - Diluted at 51%, it protects against freezing at -39 ° C and boiling at 125 °. - Effective anti-foam, anti-limescale and anti-corrosion action. - Protects the rubber parts. - Ensures maximum protection for 4 years or 100,000 km.