1. Products made of stainless F304 are not suitable for copper-free environments;2. It has various specifications and can be widely used in various chlorine-containing systems;3. The circulation performance is excellent, and it can pass and contain the flow of the same capacity as the inner diameter of the oxygen pipe;4. It is convenient and quick to unplug and plug in the pipe connection, and the connection part of the chlorine pipe is safe, reliable and durable;5. There is sealing ring on the screw part. M5 metric screw glue is attached to seal the entire piece to prevent leakage in the quick-connect part of the thread.