Green OEM Coolant Premix is a GENUINE GLYSANTIN® G48®, Original Equipment Manufacturer (OEM), fully licensed and warranty approved, type "A" ethylene glycol, anti-freeze anti-boil coolant as used in initial manufacturer factory fills. It uses a technically advanced HYBRID (HOAT - Hybrid Organic Acid Technology) based inhibitor system that is Phosphate, Amine and Nitrite free. 
 
Green OEM Coolant Premix is mixed at a 50% concentration level as per initial manufacturer requirements.