ANTIFREEZE IS 50% ORGANIC AND HAS AN ORGANIC FORMULATION. IT PROTECTS THE ENGINE COOLING CIRCUIT FROM FREEZING, OVERHEATING, AND CORROSION IN ALUMINIUM, METAL, PLASTIC PARTS, ETC. LOWLIER CORROSION THAN OTHERS SO THAT TO PROLONG ITS SERVICE LIFE. AVAILABLE IN 1 AND 5 LITRE CONTAINERS. DANGER: H302 - Harmful if swallowed. H373 - May cause damage to organs through prolonged or repeated exposure.