The Steel Filter Cage is meant to keep combatants confined to the squared circle with no chance for assistance from the outside unless, of course, someone climbed over the top of the cage. The Filter bag cage is a rib filter cage and it should be light and easy for installation and maintenance. The quality of a cage has directly bearing on the filtering state and service life of a filter bag. Every cage we make can meet the requirement for tightness, smoothness and uprightness. The offered Steel Filter Cage is made for use in the various places.