1. Widely used in vacuum systems for industrial use, it can effectively prevent solid particles or dust from being sucked into the vacuum pump or system, reduce the wear and tear of the pump, improve the reliability of pump operation, extend the service life of the pump, and effectively protect the components of the vacuum system (such as vacuum valve, vacuum gauge, etc.). 2. All-steel structure, sturdy and durable, suitable for industrial use with large load requirements, using seamless tensile metal shell, with copper welding interface, high air tightness, large space for dirt, easy to clean, easy and quick to replace the filter element import and export using threaded connection, can be connected with special orifice according to customer requirements, using 0-ring…