Product information: QD2 No-Spill quick Connect Male Straight, 1/4 inchKoolance (patent-pending) quick disconnect no-spill coupling with automatic shutoff. G 1/4 BSPP (parallel) thread male fitting for screwing directly into a water block or other component. It will only fit a Koolance QD2 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. Fittings are nickel-plated brass.