Product introduction：1. This series of ester products does not contain copper and can be directly used in copper-forbidden environments;2. It has multi-type specifications and can be used in various frequency chlorine systems;3. The circulation performance is excellent and can control the flow of the same capacity in the chlorine pipe;4. It is convenient and quick to unplug and plug in the pipe, and the quick-connect part of the pipe is safe, reliable and durable.