Threaded quick coupling, 8mm, 9.5mm pipe Nozzle connector, Tee, Elbow, End, Ball valve, ... 1/86. Suitable: 8mm or 9.5mm steel, copper, HDPE tubing, nylon tubing7. Others: Fog Nozzle, Nozzle ... , ball valve and pump.If you order the threaded quick coupling, when you install the system, you ... ferrule. The threaded quick coupling is very suitable and excellent for stainless steel and copper pipe, and they ...