How to install the filter in injection machine
Take the old shot to the injection molding machine parts store and buy one of the same teeth.
There is a special filter nozzle, which is used for the use of recycled materials, which can protect the mould and heat flow path, with very few manufacturers.
Do not have the tool oneself to be very difficult to make up, install a filter to shoot the mouth of the mouth not to be full head of the mouth full of sweat, ha ha