CTI Helix Cryogenics Cryo-Torr Interface Module.
The interface module allows the CTI 9600 Compressor to operate up to three separate cryo pumps simultaneously. Normally, you would need a compressor for each cryo pump. The interface module requires an On-Board cable that runs from the compressor to the module, thus allowing for a more central module location. Requires On Board Power Cable, Link to Cable: