OAT Technology • TL774D / TL774F • Engine Protection & Cooling. MANNOL G12+ Ready to Use Coolant Antifreeze. ❄️ Why Choose MANNOL G12+ Coolant?. MANNOL G12+ Ready to Use Coolant Antifreeze is a premium carboxylated OAT cooling solution developed for modern engine cooling systems that require ethylene glycol-based antifreeze protection.
