In order to reduce the operating costs, the large filter's operating resistance force is generally lower than the small dust catcher, and the operation is fairly stable.
Ukuze kunciphise izindleko zokusebenza, amandla okuhlunga okusebenza okuhlunga amahlumela amaningi ngokuvamile aphansi kunomcibisholo omncane othuli, futhi ukusebenza kuzinzile.