When shopping for an industrial dust collector, one of the considerations should be the maintenance involved. You can't "set it and forget it." Those filter cartridges will need to be changed eventually. Most industrial collection systems on the market have doors, knobs and other hardware that must be removed and put aside (read: lost) during the changing of the filters. Tools for clamping/unclamping for a good seal are often required as well.
Here's a short video on how the Farr APC Gold Series® dust collector filters are changed out:
No tools required. No knobs to lose or drop. No binding threads. Read more about this here on the website.