DEi Radiator Relief™ coolant flush. This additive was formulated to help flush an existing system thoroughly prior to refilling with fresh coolant and DEi Radiator Relief™. The flush fluid effective flushes out emulsified sludge, as well as mineral and rust deposits, leaving it cleaner, aiding the fresh coolant to work better than ever. Simply add to your cooling system prior to draining, see the bottle for the recommended procedure.
16oz / 473ml Bottle
