Japanese style - nitto fitting.
Type: Male Thread Plug
Thread Size: 1/4"
Approximate air flow : 1500 L/M (53 CFM) at 85 PSI
Type: Male Thread Plug
Thread Size: 3/8"
Approximate air flow : 1500 L/M (53 CFM) at 85 PS
Type: Male Thread Plug
Thread Size: 1/2"
Approximate air flow : 1500 L/M (53 CFM) at 85 PSI