This is a freshly overhauled CORKEN – an IDEX Energy business D391 compressor. This unit is used by a client in Florida to transfer R410a refrigerant and recover vapors from ISO containers. Have a Blackmer or Corken compressor that needs service? We can help! With over $500,000 in compressor parts inventory, 20+ years of experience and the industry’s best workmanship warranty we can turn overhauls around in as few as 3 days – and it will be right!