Final Charge Pro Series Antifreeze/Coolant is an advanced technology formula engineered to deliver the highest level of performance for today's heavy duty engines. Advanced formula provides outstanding liner pitting, water pump cavitation and metal corrosion protection. Proprietary scale inhibitors and surfactant additives prevent deposit formation to maximize heat transfer. Works in all medium & heavy duty diesel, gasoline and natural gas engine applications. Nitrite-free to provide excellent protection for CAB and cast aluminum alloys. 2-EHA free formula ensures exceptional long term elastomer compatibility. Elimiates the needs for SCAs and chemically charged filters.