Koolance patent pending quick disconnect no spill coupling with automatic shutoff 10mm 38 id male straight connection with compression fitting it will only fit a koolance qd3 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 2m l freed fittings are nickel plated brass maximum operating pressure is 2kgfcm2 28 5 psi 25c maximum operating t