Pro Performance RV / Marine Antifreeze is a nontoxic, alcohol free, propylene glycol with corrosion inhibitor additive and then blended with de-ionized water. It is formulated to protect potable water system pipes and marine engine.

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Pro Performance RV / Marine Antifreeze is available in three levels of burst protection, -200 degrees F, -100 degrees F, and -50 degrees F.

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WHAT IS BURST PROTECTION?

As the temperature drops below the freezing point of the antifreeze, it will crystalize and slush. The antifreeze won't expand, however, until it reaches the burst point of that specific product.