Extruder Filter is an essential component in the Plastic Film Blowing Machine which is called the cleaner. It protects the flow channel from damage by the dusty and filter the contaminants out as well. Depends on the different materials and extruders, customers are able to choose different types of filters to meet their requirements. Filter is allocated between the Extruder and the Extrusion Die Head. In order to fit the different types of feeding system and adjust the layout of equipment, it is available to install extra adapter, connector and joint for Filter. Furthermore, Filter increases friction drag of the bleeding material to bring back pressure and make the material mix well.