Radiator Flush Additive 20L ADRF020Part No. ADRF020 Type RADIATOR FLUSH Brand PENRITE Unit of Measure EACH Description Penrite Radiator Flush Additive 20L Warranty Manufactures Defect Item Type Cooling System Flush Litres 20ltr Features Removes internal rust and corrosion 1 bottle treats up to 15 Litres capacity Improves cooling system circulation Compatible with all types of coolants Harmless to all metals, rubber and water pump seals Improves cooling system performance Non acidic