Design Engineering Radiator Relief Cooling System Flush 16 oz – Engine Radiator Cleaner and Cooling System Flush Treatment for Improved Cooling Performance and Rust Removal

DEI Radiator Relief Cooling System Flush is a concentrated cleansing agent that effectively removes rust and mineral deposits left behind in the radiator core and hose lines. This advanced treatment also dissolves oily residue build-up left behind in old anti-freeze and coolant mixtures due to external contaminants. Helps maintain optimum efficiency and recommended to be used with distilled water.