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AZURE Heavy Duty Extended Life Nitrite-Free Pink offers 6 years/600,000 miles of high-performance engine protection. It is NAPS-Free (Nitrite, Amine, Phosphate, and Silicate free) and ideal for all heavy-duty engines. This product can be extended with Extender at 300,000 miles/3 years for even longer-lasting performance. Simply add water before use, and apply at full strength for optimal results. Each box includes 6 one-gallon bottles (3.78 L) of pink antifreeze.
