For R290 Refrigerant, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our R290 Refrigerant has been well received by many customers and enjoyed a good reputation in many countries. frioflor refrigerant gas R290 Refrigerant have characteristic design & practical performance & competitive price, for more information on the R290 Refrigerant, please feel free to contact us.