Due to the ozone depleting issues, environmentally friendly maritime refrigerant is required for use in various cooling system. Here is the reference of quality assured refrigerants to the highest purity standards (ARI-700), covers wide range of marine refrigeration requirements. A synthetic HFC refrigerant for replacing R-22 in existing refrigeration systems for low and medium temperature application. NOTE: Virgin R-422D will be banned in EU from 1st Jan 2020.