Sierra Antifreeze & Coolant is a Heat Transfer Fluid designed for cooling and heating systems in automotive applications. Concentrated formulas requires the addition of deionized water to achieve proper thermal protection. Sierra Antifreeze & Coolant has a propylene glycol based fluid that has a lower acute oral toxicity compared to standard Ethylene Glycol based automotive coolants. This is an alternative antifreeze/coolant to the very toxic standard ethylene glycol based products and provides safety to children, pets and wildlife exposed to antifreeze leakage.
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