FJC 1-Quart Estercool Oil

FJC Air Conditioning Products 2432 1-Quart Estercool Oil. The most technologically advanced R134a and R12 oil on the market today. Compatible with Mineral, Ester, Paraffin and PAG Oil. One oil for all applications. Can be added to any existing R12 or R134a mobile A/C system with Mineral, PAG, Paraffin or Ester Oil. Use to replace PAG, Mineralor Paraffin Oil. Reduce inventory, keep only one A/C refrigerant oil in the shop. An all natural Ester oil, that contains additives which give it the ability to lubricate and protect the system at the same time. Prevents acid from forming and inhibits corrosion.