Delo 227811486 Extended Life Prediluted 50/50 Antifreeze/Coolant, 1 gallon, 6 Pack Managing costs - Helps eliminate the cost of using SCAs (supplemental coolant additives), regular testing and the manpower required to perform these tasks effectively eliminating those costs when compared to conventional or fully formulated coolants Long Service Life - 750,000 miles on-road use (8 years or 15,000 hours off-highway use) or 1,000,000 miles/20,000 hours/8 years with a Delo Extender addition at 500,000 miles/10,000 hours/4 years Optimal cooling system operation - The silicate free formula improves heat transfer when compared to silicate containing formulations Silicates deposits can reduce heat transfer and increase downtime due to over-heating Contains ethylene glycol and 40 mg/kg denatonium benzoate Origin: USA