ERRECOM Cool-Shot Ultra Car Air Conditioner Restore Original Efficiency Additive 6ml Syringe with R134a Adapter

["Restores and preserves the original efficiency of air conditioners and cooling systems, including those of motor vehicles","Removes oil deposits along the cooling lines (oil pollution) and restores heat exchange","Compatible with all lubricants and cooling gases (except ammonia - R717)","Safe for the system and for the refrigeration technician; easy to use","Universal dose: 6 ml is the universal dose for a vehicle and for refrigeration and air conditioning systems up to 21 kW"]