The dust filter FNC is formed by cartridge filter whole which have a high filtered area than bags. The extraction of the cartridge is realized by a front door and is very easy, we only rotated it by itself and take out.
The dust filter have an automatically cleaning cartridge through compressed air injections by backflow. It has a timer to controller the cleaning intervals and the injection length.
The construction material can be carbon steel or stainless steel.
There are great versatility of models and size, depending the screening surface.