Koolance patented quick disconnect no-spill coupling with automatic shutoff. 1/4 NPT (tapered) male fitting for screwing directly into a component of the same threading. It will only fit a Koolance QDT2 female quick disconnect.

After pulling the ring on the female QDC side, the quick-disconnect fittings will separate. Liquid on both sides will be automatically obstructed with approximately 0.2ml freed.