Star-Cool Coolant 750000 mile – Full Concentrate Starbrite Star-Cool Coolant 750,000 mile – Full Concentrate Boiling temperature of 130 deg C at 50/50 NEW state-of-the-art proprietary Poly Organic Acid Technology (POAT) provides cooling system protection for 750,000 miles/7 years/12,500 hours of service life. Features Excellent for complete coolant system refills or for topping off existing fills. Compatible with all conventional antifreezes and orange DEX-COOL™.& Cummins approved Protects cast iron, aluminium, steel, brass, copper and solder. Reduces formation of abrasive solids to help extend water pump life. Yellow in colour.