... quick connector: 1.Type:MK120-9,MK120-13; 2. Mat:Copper H59 3. Open flow Coupling 4.Technics:CNC LATHE Open flow quick connector ... : high quality mold coupling,firmly and durable coupling mold ... Air poppet,Slide retainers,Pipe plugs,Nipple, Mold Coupling ,Latch Lock, Mould Counter etc.we are ... special requirement. Open flow quick connector