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Leak Stop for Air Conditioning and Refrigeration Systems – 30 – 42 – 60 mL

Extreme is a leak stop that permanently repairs leaks up to 0.3 mm on rubber and metal components of air conditioning and refrigeration systems, including those of vehicles.

Highly safe formula: Extreme is polymer-free, therefore it does not react with moisture and oxygen and does not clog air conditioning and refrigeration systems.

Extreme is compatible with all refrigeration lubricants and refrigerant gases, including R12, R134a, R1234yf, CFC, HFC, HCFC, R32 and HFO, except R717 (ammonia).

It is the ideal solution for fixing refrigerant gas leaks even in the air conditioning systems of hybrid and electric vehicles.



  • Permanently repairs refrigerant gas leaks.
  • Safe for all AC/R systems.
  • Repairs both metal and rubber components of AC/R systems.
  • Compatible with all refrigeration lubricants and refrigerant gases, except R717 (ammonia).
  • Visible when exposed to UV lamp.
  • Non-flammable, non-irritating, safe for the technician.
  • Significantly reduces compressor noise.
  • Ideal for preventive maintenance.


30 mL per vehicle.

30 mL for systems up to 15 kW or 500 mL of compressor lubricant.
42 mL for systems up to 21 kW or 700 mL of compressor lubricant.
60 mL for systems up to 30 kW or 1 L of compressor lubricant.


Product Quantity12 ml30 ml42 ml60 ml
AdapterA+B+C (1/4 SAE + 5/16 SAE)Without Adapters

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