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Pennzoil® DEX-COOL® Extended Life Antifreeze & Summer Coolant

Pennzoil® DEX-COOL® Extended Life Antifreeze & Summer Coolant is a single-phase, ethylene glycol type automotive engine coolant based on a patented extended life carboxylate inhibitor system. Pennzoil® DEX-COOL® Extended Life Antifreeze & Summer Coolant is suitable for use in the cooling systems of all types of automotive engines.

DEX-COOL is a registered trademark of General Motors Corporation.

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