Description Kit includes a SilFlow microchannel device (MCD), SilTite FingerTite tool, mounting bracket, plus appropriate ferrules, nuts and blanking ferrules for set up Does not include 1.1mm OD tubing Port A: Variable see product descriptions Port B: 0.25/0.32mm ID Port C: 0.25/0.32mm ID Port D: 0.25/0.32mm ID