Originally Posted by chaslorr
These people are the experts so I am going with their advice.
Whatever you do, do not take that as gospel in any way, shape or form. They are knowledgeable, but often not expert at all just experienced. I would bet you find significantly more experience in this forum than most of those who write for them, and expertise that is easily adapted to solving problems with any system in an RV. Don't take that as me bashing them, but encouraging you to take things with a grain of salt.
That said, it is nothing more than a relatively basic calculation to figure out the percentage of flow reduction versus percentage open area of a screening mesh. Done properly, your delta in efficiency in pretty finite.
I'll personally take that small loss over ever having stink bugs cook off in my furnace EVER again!