Millers Extra Cool
Millers Extra Cool
£ 13.95
Concentrated corrosion inhibitor and coolant enhancer (250ml)

Concentrate multi-metal corrosion inhibitor and coolant enhancer.


Dilute with water in the ratio 1 part Extra Cool to 40 parts water (2.5% solution) for corrosion inhibition of vehicle cooling systems and deposit reduction. Does not provide antifreeze protection.  Add the contents of one bottle to 10 litres of water.

User Benefits

  • Helps to maintain coolant flow in radiators.
  • Helps reduce coolant temperature by up to 15C.
  • Provides powerful corrosion protection for all metals found in engines e.g. aluminium, cast iron, etc.
  • Reduces engine damage from internal coolant leaks. Mixes with all good quality antifreezes.
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