Koolance (patent-pending) quick disconnect no-spill coupling with automatic shutoff. 13mm (1/2) ID, 16mm (5/8) OD male straight connection with compression fitting. It will only fit a Koolance QD3 female shutoff valve.

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 chrome-plated brass. Maximum operating pressure is 2kgf/cm2 (28.5 psi) @ 25C. Maximum operating temperature is 100C (212F).

ID: 13mm (1/2)

OD: 16mm (5/8)

Wall: 1.5mm (1/16)