MikeWhy wrote:
Subjectively, the small'ish DC and air cleaner work adequately most of
the time, with the ROS being the sole exception. A hole in the wall
likely won't help the ROS.


A Shop Vac, drywall bag, and $20 auto switch can do wonders for a ROS.

If you're really paranoid, you can add a Cleanstream HEPA filter to
catch what escapes the drywall bag.