The jet filter is used for the separation of air-dust mixtures coming from the aspiration system as well as pneumatic conveying systems. The air-dust mixture enters the machine and the dust remains on the filter bags. These filter bags are shaken out using pressurized air and the dust is collected at the bottom of the filter. For the pressurized air, a blower or compressor can be used. For the removal of the dust collected at the bottom of the machine, a sweeper can be used as well as a conical bottom with rotoflow.